Model: Cosmograph Daytona Reference: 116503 Date: Recent Movement: 44-jewel Cal.4130 automatic, free-sprung Glucydor Microstella balance with Parachrom balance spring, adjusted to 5 positions & temperature Dial: Gloss black, gilt framed brilliant cut diamond hour markers, gilt outer 1/5th second divisions, gilt subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, gilt baton hands with luminous and black inserts, centre chronograph hand Case: Brushed and polished tonneau form, screw down back, gold bezel with tachymetre, shouldered screw down crown flanked by twin screw down pushers, No.893LJ521 Strap/Bracelet: Brushed and polished steel and gold Oyster link Buckle/Clasp: Signed steel and gold folding clasp, stamped D1K Signed: Case, dial & movement Size: 39mm Accompaniments: Rolex box, outer card, International Guarantee card, brochures, swing tags, one spare link