MODEL: 116618 LB S/NO: "AN" SERIES BOX & CERT DATED JAN 2015. Chronometer in solid 18K yellow gold case 40mm, original Rolex 18K yellow gold oyster bracelet with solid end link. Graduated rotatable 18K yellow gold bezel fitted with insert for checking decompression time spans. Special oyster case with shoulders protects the Rolex trip lock winding-crown. Waterproof to 300 m / 1000 feet. Automatic movement 3135, sapphire crystal. Retail Price $45990.