MODEL: 116613LN S/NO: "AN" SERIES BOX & CERT DATED MAR 2013, WITH CHAPTER RING. Chronometer in stainless steel case 40mm fitted with flip lock oyster bracelet. Graduated rotatable 18K gold ceramic bezel for checking decompression time spans. Special oyster case with shoulders protects the trip lock winding-crown. Waterproof to 300 m / 1000 feet. Automatic movement 3135, sapphire crystal model. Retail Price $17560. Little discount given for this model............