"The Rotary Seamatic delivers a premium automatic dive-ready specification. Featuring a stainless steel case and 3 link bracelet secured by a Divers Z clasp for optimal on-wrist security. The deep green dial, luminous indices and open hour/minute hands, are protected beneath sapphire glass for optimal legibility.This timepiece also features a black ceramic unidirectional bezel for underwater timing. On the side of the 42mm case is a screw-down crown, kept secure thanks to a crown guard. Powered by the reliable Japanese made Miyota 8215 movement, this Seamatic is water resistant to 300m."