Longines La Grande Classique L4.709.1.57.7 ncth1791849 This is a highly technical

This is a highly technical

42-hour power reserve

the black rectangular dial features plain two hands and Roman numerals to facilitate reading ease

The bezel is set with shimmering pavé

Longines La Grande Classique L4.709.1.57.7 ncth1791849 This is a highly technicalThe 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,