MODEL: 16610 S/NO: "V397xxx" SERIES BOX & CERT DATED OCT 2011, LOCAL AD. Chronometer movement in astainless steel case 40mm, original Rolex stainless steel oyster bracelet with solid end link. Graduated rotatable stainless steel bezel with black insert for checking decompression time spans. The special oyster case with shoulder protecting the Rolex trip lock winding-crown. Waterproof to 300 m / 1000 feet. Automatic movement 3135, sapphire crystal. Without pinhole. 100% mint condition. Discontinued model, highly collectable.