Seiko Prospex Srpd11K1 Tissot T-My Lady The 18k rose gold bezel

The 18k rose gold bezel is polished

The CHRONOMASTER Sport combines elements of past ZENITH chronograph references such as the tri-colour dial

Size This watch has a width of 44 mm (the dial

The innovative Nivachron™ hairspring provides an advantage in everyday life by protecting the timepiece from magnetic fields

Seiko Prospex Srpd11K1 Tissot T-My Lady The 18k rose gold bezelThe machinery inside a watch that keeps things ticking is called the movement or a calibre. A synonym of size, the word calibre, first used as a watchmaking term in 1715, originally referred to the build of a watch movementthe layout, dimensions, shape and size of the wheels, barrels, bridges and so on. Today the word is a substitute for movement, the complete mechanism with the mainspring, escape wheel, bridges, gear train, and other components,