Automatic movement (self winding): Mechanically powered and wound by the motion of the wearer's arm. Black leather strap. Buckle clasp. Two-tone black ion-plated stainless steel and rose gold ion-plated stainless steel bezel. Rose gold ion-plated stainless steel case. Antireflective sapphire crystal. Push-pull crown. Black dial with rose gold-tone hands. Date display. Case: 46mm in diameter x 13mm thick. Bracelet/strap: 22.5mm wide x 7.50in long. Water-resistant up to 50 meters. Manufacturer's limited warranty. The Watch Size Guide: Find Your Perfect Timepiece.