Welcome to Watchword, a series in which we break down key terminology to help you better understand the lay of the ...

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 ...

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 ...

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 ...

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 ...

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 ...

Fabled Japanese watch brand Takano has stood the test of time, even after stopping production more than 60 years ago. The Takano timepiece is ticking again, thanks to a famed watchmaker and ...

Accuracy has turned to acoustics at the Laboratoire de Précision, whose new testing method certifies the Constellation ...

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 ...