Tachymeter bezels are a complication that allows rapid calculations of speed or distance.
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The most popular meter is for Tachymeter readings: a simple scale that allows rapid calculations of speed.
Breitling SA produced a limited (1000 units per colour) Breitling for Bentley Supersports chronograph wrist watches (based on Breitling Calibre 26B) inspired by the Bentley Continental Supersports car.
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As part of Continental GT V8 launch, Breitling SA created a 250-piece limited edition of its Bentley GMT chronograph (based on the Breitling Calibre 47B) featuring a second time-zone display.
This article is about the commune in France; for the inventor of the chronograph, see Nicolas Mathieu Rieussec.
Hanhart Chronograph which was a One-Button watch made by Swiss-German manufacturer, Hanhart.
Astronaut David Scott, commander of the Apollo 15 mission in 1971, wore a Waltham watch on his third lunar EVA when his standard Omega Speedmaster Professional chronograph became damaged.
The feature is named after the mythical grandson of Noah and progenitor of the Bulgars, ‘Ziezi ex quo Vulgares’ according to the 354 AD Roman Chronograph of Ravenna.