Seiko Discover More Ssb399P1 ncth1782341 easy readability and ultimate protection

easy readability and ultimate protection for the beautiful dials

Fashioned with floating T-bar lugs

Stainless steel case with a stainless steel mesh bracelet

sleep tracking

Seiko Discover More Ssb399P1 ncth1782341 easy readability and ultimate protectionThe 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,