Rolex Daytona Oyster Perpetual Cosmograph, chronograph wristwatch

in 18kt yellow gold and steel, ref. 16523, reverse six, round case 40 mm. champagne dial with indexes and three contrasting circled counters for the chronometer, bezel with tachymeter scale, screw pushers, sapphire crystal, zenith el primero mechanical movement with automatic winding, caliber 4130, steel oyster bracelet with folding clasp, signed case, dial and movement