MODEL: 16610 S/NO: "U159xxx" SERIES BOX & CERT DATED FEB 1994, LOCAL AD. Chronometer in stainless steel case 40mm, original Rolex stainless steel flip lock oyster bracelet @ 98% mint condition. Graduated rotatable bezel for checking decompression time spans. Special oyster case with shoulder protecting the Rolex trip lock winding-crown. Waterproof to 300 m / 1000 feet. Automatic movement, sapphire crystal. With pin hole. Tritium Dial, highly collectible.