Longines La Grande Classique L4.709.1.57.7 ncth1791849 Antiqued GP

Antiqued GP

Exhibiting a black round dial

PPG Heart Rate Battery: 24 Hr + multi day Extended Mode **Varies based on usage and after updates install**

Case diameter: 36 mm

42-hour power reserve

Longines La Grande Classique L4.709.1.57.7 ncth1791849 Antiqued GPThe 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,