Durable and exquisite this unisex automatic (self winding) and manufacture calibre mt5400 (cosc) self-winding mechanical movement with bidirectional rotor system watch by TUDOR is an ideal addition to any wardrobe. Model number M79010SG-0001, it features a classic round, sterling silver (925) case that measures 39, with a exhibition case back. Wearer’s can enjoy a precisely functioning central 60 second hand complication, as well as 650 Ft (200 Meter) water resistance. It also features a durable scratch resistant sapphire crystal, that overlays luminosity hands and indexes indices.