Swiss-Automatic Movement: mechanically powered and wound by the motion of the wearer's arm or manual winding Black calfskin leather strap Buckle clasp Black ion-plated stainless steel bezel and case Antireflective Sapphire crystal Black dial Case: 48mm in diameter x 17mm thick Bracelet/strap: 22mm wide x 8.5in long Water-resistant up to 50 meters Manufacturer's limited warranty