Knowledge
A Guide to Swiss Watch Certification and Testing, From COSC to Chronometrique+
Many watches are certified, for various qualities like accuracy, durability and water-resistance, by independent agencies, ranging from COSC to TIMELAB. These certifications are proof of watchmaking and chronometric excellence, with a sprinkle of savvy marketing. Here's a handy guide to the most important Swiss watch certificates.How It’s Made: The Ceramic Case Of The Omega Speedmaster Dark Side of the Moon
With the distinction of being the first Speedmaster with a ceramic case, the Omega Speedmaster Dark Side of the Moon is actually all - case, bezel, pushers, crown, dial and even the buckle - ceramic.How Did NATO Straps Get Their Name?
The colourful and convenient NATO strap is now commonplace, sometimes even doubling up as a fashion accessory. We unravel the origins of this legendary canvas band.Lange and the hallmarks of German watchmaking – explaining their background and history
Lange is arguably the flag bearer for high-end German watchmaking. Its movements are a fascinating blend of beauty, engineering and anachronistic details.Collector’s Guide: The Original A. Lange & Söhne Datograph of 1999
Versions, production dates and unique pieces.In-Depth: Seiko’s Legendary History in Observatory Chronometer Trials
And the Grand Seiko Astronomical Observatory Chronometer.A History Of The Cartier Tank In Pictures, 1917-2013
Inspired by the lumbering armoured vehicles which made their debut in the First World War, the Cartier Tank has evolved over the decades, yet remained essentially the same. It is one of the most enduring wristwatch designs ever.Explaining The Patek Philippe Reference 3970 Chronograph Perpetual Calendar
Made from 1986 to 2004, the Patek Philippe Ref. 3970 was for many years the benchmark chronograph with perpetual calendar wristwatch. Widely regarded as less desirable than the preceding Ref. 2499 or subsequent Ref. 5970, the Ref. 3970 is nevertheless a significant timepiece.EXPLAINED: Seiko 9F Quartz Movements – Definitive Proof That High-End Quartz Exists
A high-end quartz movement would seem to be an oxymoron. But it does exist in the form of the Seiko 9F calibre, a supremely sophisticated quartz chronometer rated to +/- 10 seconds a year. Used primarily in Grand Seiko watches, the 9F is possibly the best quartz movement in the world.Load More
