Silver-tone stainless steel case; Analog black dial displaying hours, minutes, seconds with silver-tone hands and index markers; Fixed silver-tone bezel; Scratch resistant sapphire crystal; Oyster Perpetual bracelet (silver-tone stainless steel); Screw down crown; Solid case back; Automatic chronometer movement (Rolex Calibre 2130) containing 29 jewels beating at 28800 vph, approx. 42-hour power reserve; Round shape, 24 mm diameter; Fold over clasp with safety release; Water resistant to 100 meters / 330 feet depth.