COSC

COSC is Contrôle Officiel Suisse des Chronomètres, the Official Swiss Chronometer Testing Institute, which is the institute responsible for certifying the accuracy and precision of wristwatches in Switzerland.

Breitling for Bentley Celebrates 10 Years With 3 New In-House Chronographs

Ten years ago, Breitling launched its Breitling for Bentley watch collection on the heels of Bentley winning the 24 Hours of Le Mans race. To pay tribute to the first decade of collaboration between the Swiss watch brand and the British luxury carmaker, Breitling has launched the first three Breitling for Bentley watches equipped with...

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Jul 9, 2013 by Mark Bernardo

Sponsored: A Durable Style – Meet the Victorinox I.N.O.X. Chrono

Since its founding in 1884, Victorinox has been a steady champion of utility-driven style. From its now-iconic Swiss Army Knife, the brand has garnered a wide renown for reliable functionality in its products, with its modern collection of timepieces carrying that legacy forward. In the brand’s latest, the new I.N.O.X. Chrono, we see a continuation...

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Dec 1, 2023 by WatchTime

Ball for BMW Adds Mechanical Thermometer, Chronograph to its Collection (Video)

Ball Watch Company, which launched its first Ball for BMW watches last year, introduced two new additions to the collection, developed in collaboration with the German luxury carmaker, at this year’s Couture show in Las Vegas: the Ball for BMW TMT, which incorporates the brand’s mechanical thermometer module, and the Ball for BMW Chronograph.

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Jun 11, 2013 by Mark Bernardo

Ralph Lauren Celebrates The RL67 Safari Collection

Last week, American fashion icon Ralph Lauren, whose company develops Ralph Lauren timepieces in a partnership with Richemont, hosted a private Champagne reception to celebrate the U.S. debut of the watch brand’s RL67 Safari collection.

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Jun 5, 2013 by WatchTime

Watches Submitted for the 2011 International Chronometry Contest

The 18 watches taking part in the 2011 International Chronometry Contest were submitted on Friday May 20 at the Musée d’horlogerie du Locle – Château des Monts. The watches come from the Jura, from Geneva, from France and the United States. The watches will be subjected to a number of tests over the summer, and...

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May 26, 2011 by WatchTime

Rolex Romps 7 Million Chronometers in a Decade

Watch enthusiasts know that when it comes to producing Swiss chronometers, there are the Big Three Brands – Rolex, Omega and Breitling – and then there’s all the rest. Just how big the Big Three are in chronometer production becomes startlingly clear when you analyze Swiss chronometer output by brand over the past decade.

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Oct 11, 2010 by Joe Thompson

Who are Switzerland’s Top Chronometer Producers?

Read about Switzerland’s top producers of chronometer watches from data released by Switzerland’s official chronometer testing agency, COSC (Contrôle Officiel Suisse des Chronomètres).

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Sep 12, 2010 by Joe Thompson

Glashütte Original Senator Chronometer

Glashütte Original’s Senator Chronometer generated strong buzz among collectors and enthusiasts at this year’s Baselworld, and as of December, 2009, the watch is available at retailers. This is GO’s first timepiece to confirm its timekeeping accuracy with an official chronometer certificate from the observatory in Glashütte, issued under German standard DIN 8319. The DIN standard...

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Dec 21, 2009 by WatchTime

Another Record Year for COSC in 2008

After setting records in 2006 and 2007, the Contrôle officiel suisse des chronomètres (COSC) once again issued a record number of attestations in 2008 with 1,599,588, an increase of +8.6% over the 2007 results. The number of timepieces submitted rose by 10.6% to 1,676,515. Of these, 1,536,950 were awarded to mechanical movements and 62,638 went...

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Aug 24, 2009 by WatchTime

Porsche Design Rattrapante Chronograph P´6920

Porsche Design presents the limited edition 45mm P´6920 Rattrapante Chronograph with a design reminiscent of their P’6920 Indicator. The Rattrapante is available in 2 versions: PVD-coated titanium (200 pieces, priced at $27,550), and PVD-coated titanium with a rose gold bezel (50 pieces, priced at $35,730).

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Aug 7, 2009 by WatchTime

Glashütte Original’s Senator Chronometer

Glashütte Original’s Senator Chronometer generated strong buzz among collectors and enthusiasts at this year’s Baselworld. The Chronometer’s classic look incorporates vintage and modern elements. It’s also GO’s first timepiece to confirm its timekeeping accuracy with an official chronometer certificate from the observatory in Glashütte, issued under German standard DIN 8319. The major difference between the...

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May 6, 2009 by WatchTime

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