It takes 15 days of rigorous, vigorous tests for a watch to be crowned a chronometer. Here’s what the certification means, and the watches that exemplify it. Words: Jonathan Wells Chrono; it’s an ...

To recall, a chronograph is a piece capable of measuring short times, while a chronometer is a watch with at least three hands (hour, minute, second) whose operational precision must be between -4 and ...

Switzerland’s mechanical watch boom has brought a surge in watches bearing a special designation on the dial: chronometer. What are chronometers? How are they different from regular watches? Why are ...

A clear move away from the elaborate designs that Arnold & Son is known for, the Longitude Titanium is a COSC-certified chronometer watch that’s being described as ‘sports-chic’. The new ...

Last year’s big Tudor releases during Watches and Wonders were the Black Bay 58 GMT and the black version of the Master Chronometer Black Bay. The latter was quickly nicknamed Black Bay “Monochrome,” ...

In fact, they have not only presented two new watch brands: Wempe Zeitmeister and Wempe Chronometerwerke, but have set up their own chronometer accuracy testing centre in Germany. This is the first ...

A recent patent filing suggests Rolex could be making a major change to its movements. Rolex is known for a lot of things, ...

and the only chronometer of the trio. It’s easy to spot the field-watch DNA here, with Christopher Ward taking inspiration from rugged outdoor timepieces designed with one purpose: to reliably ...

He realized that it would have aimed at meeting chronometer standards, which require stringent testing to guarantee that watches maintain a certain level of accuracy under various conditions ...