1. Rolex
This is one of the oldest and most famous watch brands in the world. Rolex was founded in 1905 in Switzerland and is one of the only watch brands that can produce all of its watch components in its own factories. Rolex uses high-quality materials and advanced technology to create highly precise watches.
2. Omega
The Omega brand was founded in 1848 in Switzerland and has become known worldwide as one of the leading watch brands. Omega has supplied NASA with Speedmaster watches for use in spaceflight, and has also been the official Olympic watch since 1932.
3. Breitling
The Breitling watch brand was founded in 1884 in Switzerland and is famous for its highly functional timepieces. Breitling watch models feature time measurement, countdown timer and speedometer, serving sports and aircraft activities.
4. TAG Heuer
The TAG Heuer brand was founded in 1860 in Switzerland and is famous for its racing and sports watches. TAG Heuer has also become the official watch of F1 Racing.
5. Tudor
The Tudor brand is a sub-brand of Rolex, founded in 1946 in Switzerland. Tudor focuses on producing high-quality mechanical watches at more reasonable prices than Rolex watches. Tudor watch models have modern designs and high precision.
6. Chopard
The most COSC certified brand that cannot be ignored is Chopard. With a fashionable, attractive, strong, luxurious appearance and a shell made from durable materials, Sapphire glass protects firmly and can withstand strong impacts combined with a smooth mechanism, Stable, operates with high precision.
Some more things to know about COSC certification
Only Swiss watches labeled “Swiss Made” are tested and certified by COSC.
The watch must pass 7 harsh tests to receive COSC certification.
COSC doesn’t just measure mechanical wristwatches, they also measure pocket watches, fixed timing devices such as on-board instruments and transportation clocks, and quartz watches.
COSC owns three separate testing laboratories located in Biel/Bienne, Saint-Imier and Le Locle. More than 1.6 million watches are certified each year, a number that has increased significantly over the decades. In 1976, only 200,000 watches passed the COSC testing and certification steps. Fast forward to 2000 and there are already one million watches with Chronometer certification.
Of all watches exported from Switzerland, only 6% are COSC certified. Of all Swiss mechanical watch movements exported, 21% are COSC certified.
2015 was the last year this Certification Publicized the number of Chronometer certified watches. With Rolex watches, there are 795,716 pieces, Omega watches 511,861 pieces, Breitling watches 147,917 pieces (28,499 including quartz watches). Tissot reached 96,563 units, Mido reached 49,962 units. Tudor (23,003), Chopard (16,107), Zenith (6,824), Panerai (6,262), and Bremont (5,860). Ball Watch Co. (5,031), Carl F. Bucherer (4,577), Titoni (4,146), Christopher Ward (3,362), and Ulysse Nardin (2,561).
As one of the widely recognized accuracy tests in the Swiss watch industry, COSC certification not only proves the quality of Swiss Made mechanical watches but also ensures value. market and peace of mind for all customers when owning this machine.
