Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : Without documents; Model: Big Bang Price on request Gmtbroker Reference: 710.OE.2123.GR.PCM12 limited to 100 pieces, special edition dedicated to the 50th anniversary of the Costa Smeralda, pink gold, skeleton dial, sapphire crystal, automatic movement, caliber HUB4214, power reserve of 42 hours, chronograph, minute indicator at three, hour indicator at six, Costa Smeralda shield at nine, date between four and five, transparent caseback, screw crown and two pushers with protective rubber, diameter 48 mm, waterproof 100 meters, white leather strap, pink gold folding clasp.