Mechanical watches have been a staple of horology for centuries, and over time, watchmakers have developed various complications to enhance their functionality and aesthetic appeal. In this section, we’ll explore the different types of complications found in mechanical watches from renowned brands such as Seiko, Citizen, Rolex, and Omega.
1. Time-Only Complications
Time-only complications display the hours, minutes, and seconds on a single dial. These are the most basic type of complication and are often found in entry-level mechanical watches from brands like Seiko and Citizen.
2. Date Complications
Date complications display the date on a sub-dial or a window on the main dial. This complication is commonly found in mid-range mechanical watches from brands like Rolex and Omega.
3. Chronograph Complications
Chronograph complications allow the wearer to measure elapsed time, typically using a central seconds hand and a 30-minute or 60-minute counter. Chronographs are often found in sports watches from brands like Rolex and Omega.
4. GMT Complications
GMT complications display a second time zone on a 24-hour scale, allowing the wearer to track time in multiple locations. GMT complications are often found in travel watches from brands like Seiko and Citizen.
5. Perpetual Calendar Complications
Perpetual calendar complications automatically adjust for months, days, and leap years, eliminating the need for manual adjustments. These complications are often found in high-end mechanical watches from brands like Rolex and Omega.
6. Moon Phase Complications
Moon phase complications display the lunar cycle on a sub-dial or a window on the main dial. These complications are often found in dress watches from brands like Seiko and Citizen.
7. Power Reserve Complications
Power reserve complications display the remaining power reserve of the watch, often in the form of a gauge or a pointer on the dial. These complications are often found in mechanical watches from brands like Rolex and Omega.
8. Tourbillon Complications
Tourbillon complications are highly complex mechanisms that counteract the effects of gravity on the watch’s accuracy. These complications are often found in high-end mechanical watches from brands like Rolex and Omega.
9. Split-Second Complications
Split-second complications allow the wearer to measure two separate elapsed times simultaneously. These complications are often found in chronograph watches from brands like Rolex and Omega.
10. Flyback Complications
Flyback complications allow the wearer to reset the chronograph hands to zero and start timing again with a single push of a button. These complications are often found in chronograph watches from brands like Rolex and Omega.
In conclusion, mechanical watches from brands like Seiko, Citizen, Rolex, and Omega offer a wide range of complications to enhance their functionality and aesthetic appeal. Whether you’re looking for a simple time-only watch or a complex tourbillon, there’s a mechanical watch out there to suit your needs.
Additional Complications in Mechanical Watches
When it comes to mechanical watches, complications are what set them apart from quartz watches. Complications are additional features beyond the basic hours, minutes, and seconds. In this section, we’ll explore some of the additional complications found in mechanical watches from Seiko, Citizen, Rolex, and Omega.
Seiko’s Additional Complications
Seiko is known for its affordable and accurate mechanical watches. Some of their models feature additional complications such as:
- Date display: Seiko’s 5 Sports series, for example, features a date display complication.
- Chronograph: Seiko’s Presage series features a chronograph complication, allowing wearers to measure elapsed time.
- GMT display: Seiko’s Prospex series features a GMT display complication, allowing wearers to display a second time zone.
Citizen’s Additional Complications
Citizen is another well-known brand for its affordable and accurate mechanical watches. Some of their models feature additional complications such as:
- Eco-Drive technology: Citizen’s Eco-Drive technology allows watches to run on light power, eliminating the need for battery replacements.
- Perpetual calendar: Citizen’s Calibre 0100 features a perpetual calendar complication, automatically adjusting for months, dates, and leap years.
- GPS: Citizen’s Satellite Wave series features a GPS complication, allowing wearers to receive precise time information.
Rolex’s Additional Complications
Rolex is a luxury watch brand known for its high-quality mechanical watches. Some of their models feature additional complications such as:
- Date display: Rolex’s Datejust series features a date display complication.
- Chronograph: Rolex’s Daytona series features a chronograph complication, allowing wearers to measure elapsed time.
- GMT display: Rolex’s GMT-Master series features a GMT display complication, allowing wearers to display a second time zone.
Omega’s Additional Complications
Omega is another luxury watch brand known for its high-quality mechanical watches. Some of their models feature additional complications such as:
- Date display: Omega’s Seamaster series features a date display complication.
- Chronograph: Omega’s Speedmaster series features a chronograph complication, allowing wearers to measure elapsed time.
- GMT display: Omega’s Globemaster series features a GMT display complication, allowing wearers to display a second time zone.
In conclusion, mechanical watches from Seiko, Citizen, Rolex, and Omega feature a range of additional complications that set them apart from quartz watches. From date displays to chronographs, GMT displays, and more, these complications offer wearers a range of functions to enhance their watch-wearing experience.
High-Complication Mechanical Watches
What are High-Complication Watches?
High-complication watches are mechanical timepieces that feature intricate and complex mechanisms, often incorporating multiple functions and features beyond the standard hour, minute, and second hands. These watches require significant craftsmanship, precision engineering, and attention to detail to design and build.
Seiko’s High-Complication Watches
Seiko, a Japanese watch manufacturer, has been producing high-complication watches for decades. Their Grand Seiko collection features intricate mechanical movements, such as the Spring Drive caliber, which combines a mainspring with a quartz crystal to achieve high accuracy and precision. Seiko’s high-complication watches often incorporate features like perpetual calendars, chronographs, and power reserve indicators.
- Seiko Spring Drive 8-Day Power Reserve: This watch features a Spring Drive movement that powers the watch for up to 8 days on a single wind, making it an excellent choice for those who want a reliable and accurate timepiece.
- Seiko Grand Seiko SBGA011: This watch boasts a stunning perpetual calendar, moon phase display, and 72-hour power reserve, making it a true masterpiece of watchmaking.
Citizen’s High-Complication Watches
Citizen, another Japanese watch manufacturer, has also produced high-complication watches that showcase their expertise in precision engineering and craftsmanship. Their Eco-Drive collection features solar-powered movements that eliminate the need for battery replacements, making them an eco-friendly option.
- Citizen Eco-Drive Perpetual Calendar: This watch features a perpetual calendar that automatically adjusts for months, days, and leap years, ensuring accuracy and precision.
- Citizen Eco-Drive Chronograph: This watch combines a chronograph function with a perpetual calendar, making it an excellent choice for those who want a versatile and accurate timepiece.
Rolex’s High-Complication Watches
Rolex, a Swiss luxury watch manufacturer, is renowned for its high-complication watches that feature intricate mechanisms and stunning designs. Their iconic Daytona model is a prime example of a high-complication watch, with its chronograph function and tachymeter scale.
- Rolex Daytona: This watch features a self-winding mechanical movement with a chronograph function, making it an excellent choice for those who want a high-complication watch with a sporty design.
- Rolex Sky-Dweller: This watch boasts a stunning annual calendar that adjusts for months, days, and leap years, making it an excellent choice for those who want a high-complication watch with a sophisticated design.
Omega’s High-Complication Watches
Omega, another Swiss luxury watch manufacturer, has produced high-complication watches that showcase their expertise in precision engineering and craftsmanship. Their iconic Speedmaster model is a prime example of a high-complication watch, with its chronograph function and moon phase display.
- Omega Speedmaster Moonwatch: This watch features a self-winding mechanical movement with a chronograph function and moon phase display, making it an excellent choice for those who want a high-complication watch with a space-inspired design.
- Omega Seamaster Planet Ocean Perpetual Calendar: This watch boasts a stunning perpetual calendar that adjusts for months, days, and leap years, making it an excellent choice for those who want a high-complication watch with a sophisticated design.
In conclusion, high-complication watches from Seiko, Citizen, Rolex, and Omega offer a range of intricate mechanisms and stunning designs that showcase the art of watchmaking. Whether you’re looking for a solar-powered perpetual calendar or a chronograph with a moon phase display, there’s a high-complication watch out there for you.
The Art of Complication Design
Understanding the Basics of Complications
In the world of luxury watches, complications are the intricate mechanisms that set high-end timepieces apart from their more straightforward counterparts. The term “complication” refers to any additional feature beyond the basic functions of hours, minutes, and seconds. Think of complications as the icing on the cake, adding depth, sophistication, and functionality to an already impressive watch.
Seiko’s Mastery of Complications
Seiko, a Japanese watch manufacturer, has long been renowned for its innovative approach to complication design. The brand’s iconic Spring Drive movement, for instance, combines the accuracy of quartz with the beauty of mechanical watchmaking. Seiko’s Grand Seiko collection features some of the most impressive complications in the industry, including the Spring Drive 8-Day Power Reserve and the Hi-Beat 36000 V.F.A.
Citizen’s Take on Complications
Citizen, another Japanese watch brand, has also made significant strides in complication design. Their Eco-Drive technology, which harnesses light energy to power the watch, has enabled the creation of intricate complications like the Citizen BM8475-03E, featuring a perpetual calendar and moon phase display.
Rolex’s Iconic Complications
Rolex, the Swiss powerhouse, has built a reputation on its iconic complications. The brand’s most famous complication is undoubtedly the Datejust, which features a date display at the 3 o’clock position. Rolex’s GMT-Master II, with its dual-time zone display, is another iconic complication that has become synonymous with the brand.
Omega’s Complication Expertise
Omega, another Swiss giant, has a long history of complication design. The brand’s iconic Speedmaster Moonwatch, for instance, features a chronograph complication that has been used by astronauts on numerous space missions. Omega’s De Ville Prestige collection features a range of complications, including a perpetual calendar and a moon phase display.
The Future of Complication Design
As watchmaking technology continues to evolve, we can expect to see even more innovative complications in the future. With the rise of smartwatches and connected devices, watch manufacturers are pushing the boundaries of what is possible in complication design. Whether it’s the integration of digital displays or the use of advanced materials, the art of complication design is sure to continue evolving and impressing watch enthusiasts around the world.
Conclusion
In conclusion, the art of complication design is a testament to the ingenuity and creativity of watch manufacturers like Seiko, Citizen, Rolex, and Omega. From the intricate mechanisms of mechanical watches to the innovative use of technology, complications are what set high-end timepieces apart from the rest. Whether you’re a watch enthusiast or simply looking for a unique timepiece, complications are an essential aspect of the luxury watchmaking experience.
The Future of Complications in Mechanical Watches
The Evolution of Complications
Complications have been a hallmark of mechanical watches since their inception. From the simplest hour and minute hands to the most complex perpetual calendars, complications have allowed watchmakers to push the boundaries of horology. As technology advances, complications are becoming more sophisticated, and watchmakers are incorporating new features into their timepieces.
Seiko’s Innovations
Seiko, a Japanese watchmaker, has been at the forefront of complication innovation. Their Astron GPS Solar watch features a solar-powered movement that can be charged in just a few minutes, allowing it to maintain accuracy for up to five months. This technology has paved the way for more efficient and sustainable watchmaking.
Citizen’s Eco-Drive
Citizen, another Japanese watchmaker, has also made significant strides in complication innovation. Their Eco-Drive technology uses light to power their watches, eliminating the need for battery replacements. This eco-friendly approach has made Citizen watches a popular choice for those looking for a sustainable timepiece.
Rolex’s Perpetual Calendar
Rolex, a Swiss watchmaker, is renowned for its high-end timepieces. Their Perpetual Calendar watch features a complex mechanism that accounts for the varying lengths of months and leap years, ensuring accuracy for over 100 years. This complication is a testament to Rolex’s commitment to precision and innovation.
Omega’s Co-Axial Escapement
Omega, another Swiss watchmaker, has developed the Co-Axial Escapement, a revolutionary technology that reduces the need for lubrication and increases accuracy. This complication has been incorporated into many of Omega’s timepieces, including their iconic Speedmaster watch.
The Future of Complications
As watchmakers continue to innovate and push the boundaries of horology, we can expect to see even more complex and sophisticated complications in the future. With the rise of smartwatches and digital timekeeping, mechanical watches may seem old-fashioned, but the art of complication-making is what sets mechanical watches apart.
The Art of Complication-Making
Complication-making is an art that requires precision, patience, and attention to detail. Watchmakers must carefully design and assemble each component, ensuring that every part works in harmony to create a functional and beautiful timepiece. The process of creating a complication is a testament to the craftsmanship and dedication of watchmakers.
Conclusion
The future of complications in mechanical watches is bright, with watchmakers like Seiko, Citizen, Rolex, and Omega pushing the boundaries of innovation and precision. As technology advances, we can expect to see even more complex and sophisticated complications in the future. Whether you’re a watch enthusiast or simply looking for a unique timepiece, complications are what make mechanical watches truly special.
Frequently Asked Questions
Types of Complications in Mechanical Watches
Time-Only Complications
- Description: Time-only complications display the hours, minutes, and seconds on a single dial.
- Examples: Seiko, Citizen
Date Complications
- Description: Date complications display the date on a sub-dial or a window on the main dial.
- Examples: Rolex, Omega
Chronograph Complications
- Description: Chronograph complications allow the wearer to measure elapsed time, typically using a central seconds hand and a 30-minute or 60-minute counter.
- Examples: Rolex, Omega
GMT Complications
- Description: GMT complications display a second time zone on a 24-hour scale, allowing the wearer to track time in multiple locations.
- Examples: Seiko, Citizen
Perpetual Calendar Complications
- Description: Perpetual calendar complications automatically adjust for months, days, and leap years, eliminating the need for manual adjustments.
- Examples: Rolex, Omega
Moon Phase Complications
- Description: Moon phase complications display the lunar cycle on a sub-dial or a window on the main dial.
- Examples: Seiko, Citizen
Power Reserve Complications
- Description: Power reserve complications display the remaining power reserve of the watch, often in the form of a gauge or a pointer on the dial.
- Examples: Rolex, Omega
Tourbillon Complications
- Description: Tourbillon complications are highly complex mechanisms that counteract the effects of gravity on the watch’s accuracy.
- Examples: Rolex, Omega
Split-Second Complications
- Description: Split-second complications allow the wearer to measure two separate elapsed times simultaneously.
- Examples: Rolex, Omega
Flyback Complications
- Description: Flyback complications allow the wearer to reset the chronograph hands to zero and start timing again with a single push of a button.
- Examples: Rolex, Omega
Additional Complications in Mechanical Watches
Seiko’s Additional Complications
- Description: Seiko’s additional complications include date display, chronograph, and GMT display.
- Examples: Seiko 5 Sports, Seiko Presage
Citizen’s Additional Complications
- Description: Citizen’s additional complications include Eco-Drive technology, perpetual calendar, and GPS.
- Examples: Citizen Eco-Drive, Citizen Calibre 0100
Rolex’s Additional Complications
- Description: Rolex’s additional complications include date display, chronograph, and GMT display.
- Examples: Rolex Datejust, Rolex Daytona
Omega’s Additional Complications
- Description: Omega’s additional complications include date display, chronograph, and GMT display.
- Examples: Omega Seamaster, Omega Speedmaster
High-Complication Mechanical Watches
What are High-Complication Watches?
- Description: High-complication watches are mechanical timepieces that feature intricate and complex mechanisms, often incorporating multiple functions and features beyond the standard hour, minute, and second hands.
Seiko’s High-Complication Watches
- Description: Seiko’s high-complication watches include the Spring Drive 8-Day Power Reserve and the Grand Seiko SBGA011.
- Examples: Seiko Spring Drive, Seiko Grand Seiko
Citizen’s High-Complication Watches
- Description: Citizen’s high-complication watches include the Eco-Drive Perpetual Calendar and the Eco-Drive Chronograph.
- Examples: Citizen Eco-Drive, Citizen Calibre 0100
Rolex’s High-Complication Watches
- Description: Rolex’s high-complication watches include the Daytona and the Sky-Dweller.
- Examples: Rolex Daytona, Rolex Sky-Dweller
Omega’s High-Complication Watches
- Description: Omega’s high-complication watches include the Speedmaster Moonwatch and the Seamaster Planet Ocean Perpetual Calendar.
- Examples: Omega Speedmaster, Omega Seamaster
The Art of Complication Design
Understanding the Basics of Complications
- Description: Complications are the intricate mechanisms that set high-end timepieces apart from their more straightforward counterparts.
Seiko’s Mastery of Complications
- Description: Seiko’s mastery of complications includes the Spring Drive movement and the Grand Seiko collection.
Citizen’s Take on Complications
- Description: Citizen’s take on complications includes the Eco-Drive technology and the BM8475-03E watch.
Rolex’s Iconic Complications
- Description: Rolex’s iconic complications include the Datejust and the GMT-Master II.
Omega’s Complication Expertise
- Description: Omega’s complication expertise includes the Co-Axial Escapement and the Speedmaster Moonwatch.
The Future of Complications in Mechanical Watches
The Evolution of Complications
- Description: Complications have been a hallmark of mechanical watches since their inception.
Seiko’s Innovations
- Description: Seiko’s innovations include the Astron GPS Solar watch and the Spring Drive movement.
Citizen’s Eco-Drive
- Description: Citizen’s Eco-Drive technology uses light to power their watches, eliminating the need for battery replacements.
Rolex’s Perpetual Calendar
- Description: Rolex’s Perpetual Calendar watch features a complex mechanism that accounts for the varying lengths of months and leap years.
Omega’s Co-Axial Escapement
- Description: Omega’s Co-Axial Escapement is a revolutionary technology that reduces the need for lubrication and increases accuracy.
Additional Complications in Mechanical Watches
Tourbillon Complications
Some mechanical watches, such as those from Seiko and Citizen, feature a tourbillon complication. A tourbillon is a mechanism that counteracts the effects of gravity on the watch’s accuracy by rotating the escapement and balance wheel around a central axis. This complication is often found in high-end mechanical watches from brands like Rolex and Omega.
Perpetual Calendar Complications
Mechanical watches with perpetual calendars, like those from Omega, can display the correct date, day, month, and year, taking into account the varying lengths of the months and leap years. This complication is particularly useful for those who want to keep track of time accurately without having to manually adjust their watch.
Chronograph Complications
Chronograph complications, found in watches from Seiko and Citizen, allow the wearer to measure elapsed time with precision. This feature is often used in sports watches and can be particularly useful for athletes, pilots, and other professionals who need to track time with accuracy.
GMT Complications
GMT complications, like those found in watches from Rolex, allow the wearer to display a second time zone in addition to the primary time zone. This feature is particularly useful for travelers and individuals who conduct business across different time zones.
Power Reserve Complications
Power reserve complications, found in watches from Omega, display the amount of energy remaining in the watch’s mainspring. This feature is useful for those who want to keep track of their watch’s power reserve and plan accordingly.
Moon Phase Complications
Moon phase complications, like those found in watches from Seiko and Citizen, display the current phase of the moon. This feature is often used in dress watches and can be a decorative element that adds to the watch’s aesthetic appeal.
Alarm Complications
Alarm complications, found in watches from Citizen, allow the wearer to set a reminder at a specific time. This feature is particularly useful for individuals who need to stay on schedule or have important appointments to keep.
Minute Repeater Complications
Minute repeater complications, like those found in high-end watches from Rolex and Omega, chime the time on demand, allowing the wearer to hear the time without having to look at the watch. This feature is often used in dress watches and can be a sophisticated addition to a mechanical watch.
Types of Complications in Mechanical Watches
Types of Complications
Time-Only Complications
- Display the hours, minutes, and seconds on a single dial.
Date Complications
- Display the date on a sub-dial or a window on the main dial.
Chronograph Complications
- Allow the wearer to measure elapsed time, typically using a central seconds hand and a 30-minute or 60-minute counter.
GMT Complications
- Display a second time zone on a 24-hour scale, allowing the wearer to track time in multiple locations.
Perpetual Calendar Complications
- Automatically adjust for months, days, and leap years, eliminating the need for manual adjustments.
Moon Phase Complications
- Display the lunar cycle on a sub-dial or a window on the main dial.
Power Reserve Complications
- Display the remaining power reserve of the watch, often in the form of a gauge or a pointer on the dial.
Tourbillon Complications
- Highly complex mechanisms that counteract the effects of gravity on the watch’s accuracy.
Split-Second Complications
- Allow the wearer to measure two separate elapsed times simultaneously.
Flyback Complications
- Allow the wearer to reset the chronograph hands to zero and start timing again with a single push of a button.
Additional Complications
Seiko’s Additional Complications
- Date display, chronograph, and GMT display.
Citizen’s Additional Complications
- Eco-Drive technology, perpetual calendar, and GPS.
Rolex’s Additional Complications
- Date display, chronograph, and GMT display.
Omega’s Additional Complications
- Date display, chronograph, and GMT display.
High-Complication Mechanical Watches
What are High-Complication Watches?
- Mechanical timepieces that feature intricate and complex mechanisms, often incorporating multiple functions and features beyond the standard hour, minute, and second hands.
Seiko’s High-Complication Watches
- Spring Drive 8-Day Power Reserve and the Grand Seiko SBGA011.
Citizen’s High-Complication Watches
- Eco-Drive Perpetual Calendar and the Eco-Drive Chronograph.
Rolex’s High-Complication Watches
- Daytona and the Sky-Dweller.
Omega’s High-Complication Watches
- Speedmaster Moonwatch and the Seamaster Planet Ocean Perpetual Calendar.
The Art of Complication Design
Understanding the Basics of Complications
- Complications are the intricate mechanisms that set high-end timepieces apart from their more straightforward counterparts.
Seiko’s Mastery of Complications
- Spring Drive movement and the Grand Seiko collection.
Citizen’s Take on Complications
- Eco-Drive technology and the BM8475-03E watch.
Rolex’s Iconic Complications
- Datejust and the GMT-Master II.
Omega’s Complication Expertise
- Co-Axial Escapement and the Speedmaster Moonwatch.
The Future of Complications in Mechanical Watches
The Evolution of Complications
- Complications have been a hallmark of mechanical watches since their inception.
Seiko’s Innovations
- Astron GPS Solar watch and the Spring Drive movement.
Citizen’s Eco-Drive
- Uses light to power their watches, eliminating the need for battery replacements.
Rolex’s Perpetual Calendar
- Features a complex mechanism that accounts for the varying lengths of months and leap years.
Omega’s Co-Axial Escapement
- A revolutionary technology that reduces the need for lubrication and increases accuracy.
Types of Complications in Mechanical Watches
Time-Only Complications
Display the hours, minutes, and seconds on a single dial.
Date Complications
Display the date on a sub-dial or a window on the main dial.
Chronograph Complications
Allow the wearer to measure elapsed time, typically using a central seconds hand and a 30-minute or 60-minute counter.
GMT Complications
Display a second time zone on a 24-hour scale, allowing the wearer to track time in multiple locations.
Perpetual Calendar Complications
Automatically adjust for months, days, and leap years, eliminating the need for manual adjustments.
Moon Phase Complications
Display the lunar cycle on a sub-dial or a window on the main dial.
Power Reserve Complications
Display the remaining power reserve of the watch, often in the form of a gauge or a pointer on the dial.
Tourbillon Complications
Highly complex mechanisms that counteract the effects of gravity on the watch’s accuracy.
Split-Second Complications
Allow the wearer to measure two separate elapsed times simultaneously.
Flyback Complications
Allow the wearer to reset the chronograph hands to zero and start timing again with a single push of a button.
Additional Complications in Mechanical Watches
Seiko’s Additional Complications
- Date display
- Chronograph
- GMT display
Citizen’s Additional Complications
- Eco-Drive technology
- Perpetual calendar
- GPS
Rolex’s Additional Complications
- Date display
- Chronograph
- GMT display
Omega’s Additional Complications
- Date display
- Chronograph
- GMT display
High-Complication Mechanical Watches
What are High-Complication Watches?
Mechanical timepieces that feature intricate and complex mechanisms, often incorporating multiple functions and features beyond the standard hour, minute, and second hands.
Seiko’s High-Complication Watches
- Spring Drive 8-Day Power Reserve
- Grand Seiko SBGA011
Citizen’s High-Complication Watches
- Eco-Drive Perpetual Calendar
- Eco-Drive Chronograph
Rolex’s High-Complication Watches
- Daytona
- Sky-Dweller
Omega’s High-Complication Watches
- Speedmaster Moonwatch
- Seamaster Planet Ocean Perpetual Calendar
The Art of Complication Design
Understanding the Basics of Complications
Complications are the intricate mechanisms that set high-end timepieces apart from their more straightforward counterparts.
Seiko’s Mastery of Complications
- Spring Drive movement
- Grand Seiko collection
Citizen’s Take on Complications
- Eco-Drive technology
- BM8475-03E watch
Rolex’s Iconic Complications
- Datejust
- GMT-Master II
Omega’s Complication Expertise
- Co-Axial Escapement
- Speedmaster Moonwatch
The Future of Complications in Mechanical Watches
The Evolution of Complications
Complications have been a hallmark of mechanical watches since their inception.
Seiko’s Innovations
- Astron GPS Solar watch
- Spring Drive movement
Citizen’s Eco-Drive
Uses light to power their watches, eliminating the need for battery replacements.
Rolex’s Perpetual Calendar
Features a complex mechanism that accounts for the varying lengths of months and leap years.
Omega’s Co-Axial Escapement
A revolutionary technology that reduces the need for lubrication and increases accuracy.