A chronometer (Ancient Greek: χρονόμετρον, khronómetron, "time measurer") is an extraordinarily accurate mechanical timepiece, with an original focus on the needs of maritime navigation.

2022年9月21日 · When a watch touts on its dial that it is a "Chronometer" or an "Officially Certified Chronometer" or even a "Superlative Chronometer," what exactly does that mean? How does a chronometer watch differ from a watch that does not make that claim?

2024年10月9日 · Unveiling the best chronometer watches for accurate timekeeping. Explore our top picks of chronometer certified watch brands for the modern watch aficionado

2020年7月29日 · Accuracy: The Modern Chronometer Watch And How It Got That Way. What it is, why it is, and why it's one of the ultimate challenges in precision mechanics.

2020年8月8日 · A chronometer watch is essentially a fine-tuned watch that keeps better time than most. This is confusing on both counts when you dissect the Greek root. Chronograph means “time writer” and chronometer means “time measurer”, which is what every watch does.

2025年2月5日 · In a nutshell, a chronometer is a watch that has been certified by some regulating body to be of very high accuracy, usually fitting into a fixed set of specifications. But it’s not quite that simple, as these specifications and testing methods vary greatly – so let’s explore further.

Chronometer watches are highly accurate timepieces that have undergone a series of strict precision tests over a period of time in a host of different circumstances. Historically, they were used by sailors for their extraordinary accuracy.

2017年6月13日 · While quartz watches can also be certified as chronometers, the term most often refers to certified mechanical watches that are accurate to within just a few seconds per day (as an example, COSC-certified chronometers must accurate to within -4/+6 seconds a day).

Manual-winding chronograph movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring. Rhodium-plated finish, bridges with...

2024年3月12日 · In the modern watch world, a chronometer usually refers to a watch that runs within a certain accuracy range. More specifically, this range is described and certified by Contrôle officiel suisse des Chronomètres (COSC).