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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.

Omega Establishes New Swiss Chronometer Testing Institute in the Laboratoire de Précision

Omega today announced the creation of a new chronometer testing institute, the Laboratoire de Précision, with two locations in Switzerland, one in Bienne and the other in Villeret. Similar to the COSC (Contrôle Officiel Suisse des Chronomètres), which has been the number one institute for certifying chronometers for over 50 years, the Laboratoire de Précision...

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Apr 3, 2024 by Sabine Zwettler

It’s Time – WatchTime New York 2024 Tickets On Sale Now!

After an incredible show in 2023, WatchTime New York, the premier collector’s event in North America, is set to return to Manhattan from October 18th to 20th, 2024. WatchTime New York 2024 promises to be even more spectacular, with the show marking the 25th anniversary of WatchTime and bringing together the world’s finest watchmakers, timepieces,...

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Jun 20, 2024 by WatchTime

New Heights: Frederique Constant Re-Introduces the Highlife Collection

Twenty years ago, Frederique Constant introduced its original Highlife collection, which featured an integrated strap built into a distinctive case. Now the Geneva-based brand introduces a modern update to the collection, applying the concept to three new models: the Highlife Perpetual Calendar Manufacture, Highlife Heart Beat, and Highlife Automatic COSC. Each model features a strap-and-bracelet...

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Sep 13, 2020 by Corey Vlahos

FEATURE

Living Time: 5 Watches Created With Natural Materials

In this feature from the WatchTime archives, we present several watches created using natural materials, including notable models from Hublot, Bell & Ross, and Tudor.

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Aug 5, 2020 by Jens Koch

FEATURES

Five Chronometer-Certified Watches That Won’t Break the Bank

The past two decades have seen a shift in why people wear watches. Thanks to the omnipresence of smartphones, laptops, and other digital devices, it’s no longer necessary to wear a watch to know the exact time. While the reasoning we cherish our mechanical marvels of the wrist may have changed — be it a romantic...

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Mar 23, 2020 by WatchTime

How Far Below Can They Go? 4 Deep-Sea Dive Watches

From the WatchTime archives: These four extreme divers’ watches — listed in ascending order of their water-resistance level — are reliable companions for adventurers who explore the darkness under the sea.

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Aug 30, 2019 by Alexander Krupp

BOOK EXCERPT

When Rolex Went Quartz: A Tale of the 1970s

In this excerpt from the book “Electrifying the Wristwatch,” by WatchTime contributor Lucien Trueb, we explore how mechanical-watch king Rolex dealt with the arrival of quartz in the 1970s.

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Aug 1, 2019 by Roger Ruegger

WATCH REVIEW

Swanky Sailor: Reviewing the Rolex Oyster Perpetual Yacht-Master

For this watch review, we take a close look at the modern version of Rolex’s Oyster Perpetual Yacht-Master, with black Cerachrom bezel and Oysterflex bracelet.

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Jul 26, 2019 by Martina Richter

FEATURES:

Five Things You Should Know About the COSC

The Contrôle Officiel Suisse des Chronomètres (COSC) is crucial to the Swiss watch industry. It’s existed in its current form since 1973 but there has been competitive chronometric testing happening in Neuchâtel since the late 1800s. Today, the COSC functions as a sort of litmus test for precision throughout the Swiss watch industry. In an...

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May 10, 2019 by Logan R. Baker

PROFILE

Ferrier’s Fine Finish: The Journey of Laurent Ferrier

Laurent Ferrier grew up in a kind of watch paradise. As a boy returning after school to his family’s apartment in Geneva, he came face to face with exquisite timepieces every day. His father restored and repaired complicated watches and clocks in a workshop directly across from Vacheron Constantin. Here's the story of how he founded his own independent watch brand.

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Mar 11, 2019 by Norma Buchanan

Formex Presents Three Unique Features for Greater Comfort on the Wrist

Whether a watch wears comfortably on the wrist isn’t usually a top priority for most watch buyers. More likely, it’s design, brand, specs, or price that guides the buying decision. That makes sense, in a way, especially since more and more watches are being sold online without the ability to try them on in the...

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Dec 10, 2018 by WatchTime

NEWS:

Introducing the Brellum Wyvern Manufacture Limited Edition

Since its launch in mid-2016, Brellum has quickly become a leader in the arena of small-scale, value-focused Swiss watchmaking. The brand was founded by Sébastien Muller, a fourth-generation watchmaker from Porrentruy, a hidden town in Switzerland’s Canton of Jura with a storied watchmaking history. After turning 40, Muller made the choice to start his own...

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Nov 14, 2018 by Logan R. Baker

WATCH TEST

Track Suited: TAG Heuer Monaco Calibre 11 Edition Steve McQueen

The TAG Heuer Monaco Calibre 11 Edition Steve McQueen, an updated version of the watch McQueen wore in the movie “Le Mans,” has racing written all over it. Did it take the checkered flag in our test?

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Aug 13, 2018 by Alexander Krupp

5 Milestone Breitling Watches, from 1915 to Today

Pilots rely on Breitling’s chronographs, but calendars, world timers and divers’ watches also are part of the brand’s 130-plus-year history. As we all digest and discuss the redesigned Navitimer models that Breitling announced last week, let['s look back on five important Breitling watches that helped define the brand's identity from 1915 through the modern day.

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Jul 27, 2018 by Gisbert Brunner

Feeling Blue: 25 Watches With Blue Dials and Blue Straps

We take a look at 25 stunning blue-on-blue watches, with blue dials and blue straps, released within recent years, from watch brands like Patek Philippe, Rolex, TAG Heuer, Zenith and many others.

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May 23, 2018 by Mark Bernardo

WATCH REVIEW

Basic Breitling: Reviewing the New-Look Breitling Colt

Breitling’s modern take on the decades-old Colt is true to the original, with features that have become hallmarks of the brand. From our archives, here's a hands-on review of the new-look Breitling Colt, an entry-level watch with a mechanical ETA movement.

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Jan 22, 2018 by Martina Richter

WATCH TEST

In The Balance: Zenith Espada vs. Grand Seiko Hi-Beat 3600

Two automatic watches with high-frequency movements, the Seiko Grand Seiko Hi-Beat 36000 and Zenith Espada, square off in a battle of the fast-beat balances in this WatchTime piece by Martina Richter.

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Nov 22, 2017 by Martina Richter

WATCH REVIEW

Borrowed Time: A Week With the Tudor Heritage Black Bay Bronze

Bronze — like the proprietary aluminum-bronze alloy used in the case of the Tudor Heritage Black Bay Bronze reviewed here — is essentially made to change color. We explore the metal's ability to develop a distinctive, aged-vintage-look patina over the course of its wearing life giving each Tudor Heritage Black Bay bronze-cased dive watch a unique relationship to its owner.

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Nov 16, 2017 by Mark Bernardo

Watch Review: Montblanc TimeWalker TwinFly Chronograph

In this feature we take a look at the Montblanc TimeWalker TwinFly Chronograph, with its two central elapsed-time flyback hands; original photos provided by Zuckerfabrik Fotodesign.

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Jul 19, 2017 by Martina Richter

BASELWORLD 2017:

Breitling Navitimer Rattrapante Takes Flight (Updated with Live Photos)

Breitling pens the latest chapter in its prestigious history of aviation-inspired chronograph watches at Baselworld 2017 this week, with the launch of the new Navitimer Rattrapante, which features the brand's first in-house-made, split-seconds chronograph movement.

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Mar 30, 2017 by Mark Bernardo

BASELWORLD 2017:

Tudor Heritage Black Bay Steel is the First Black Bay with Date

Tudor's Heritage Black Bay collection of vintage-inspired divers' watches — which added its first bronze-cased model last year — expands again at Baselworld 2017 with the introduction of an all-steel version with brushed-steel bezel insert. The Heritage Black Bay Steel, which contains a Tudor in-house movement, is noteworthy as the first in the Black Bay family with a date function.

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Mar 22, 2017 by Mark Bernardo
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