The word “chronometer” carries a lot of weight on the dial of a mechanical watch. It’s a guarantee that the watch has been certified by a third party to meet certain rigorous accuracy standards, ...

A 10-day process takes timepieces through a series of tests checking their performance in magnetic fields, underwater and amid changing temperatures The Swiss luxury brand’s certification was first ...

Fabled Japanese watch brand Takano has stood the test of time, even after stopping production more than 60 years ago.

Reading about watches can often feel like cracking open a textbook. Browsing—and even buying—means being barraged with inscrutable words and phrases like "tourbillons,” “perpetual calendars,” “minute ...

What is precision, and how is it tested? COSC, the leading organization testing more than 2 million movements for more than 60 brands each year, is going more public. If you missed them at Watches and ...

A new acoustic testing method developed by the Laboratoire de Précision enables Master Chronometer certification of a two-hand watch for the first time. Photos: Omega A new acoustic testing method ...

Within the Swiss watch industry, there are a handful of certifications and seals that evaluate high-end watches, perhaps the best-known of which is the Official Swiss Chronometer Testing Institute ...

Omega was the chosen timekeeper for the allied forces during World War II, the Olympic Games and Nasa’s US space program What does precision mean in an age when time is kept by computers? Those who ...

Many have perhaps heard the term “chronometer” or seen the words “Superlative Chronometer Officially Certified” cluttering up a Rolex dial without fully understanding it. What does it mean, exactly?

The term chronometer (which simply means time measurer in Latin) can only be used if the movement has been tested and certified by an independent authority. Although there are a number of these bodies ...

The brand-new FB 1L Chronometer, which displays the age and phases of the moon taken as two measurements, enable this watch to offer the moon-age accuracy needed for actual astronomical use. Shown in ...