Pre-owned Rolex Daytona model 126503 BKDO. Silver-tone stainless steel case with two-tone stainless steel and 18kt yellow gold oyster bracelet. Yellow gold-tone fixed tachymeter bezel. Black dial with yellow gold-tone hands and diamond hour markers, minute markers around the outer rim. Analog dial with luminous elements. Automatic chronograph movement (Calibre 4131) with bitting at 28800 vph, approx. 72-hour power reserve. Sapphire crystal. Screw-down crown, solid case back. 40mm round case. Fold-over clasp with safety release. Water resistant to 100 meters. Functions include chronograph, hour, minute, small second, and chronometer. Swiss Made. Daytona Series.