Vostok-Europe - Maxim Gorky - Black PVD & Silver - - Stainless Steel 44 mm Case, 5 atm water resistance ( 50 m / 165 F ) Automatic 2432 VE movement, Superluminova indexes an dial and hands, Two color day & night, Screw in back cover with engraved serial number, solid stainless steel bracelet with double pusher deployant buckle, A-grade rose golg and black PVD playting of cases and bracelets, see through dial with exposed winding rotor.