Rolex Submariner Date 16613. Stainless steel and 18k gold Submariner. 40mm stainless steel case pressure-proof to 1000 feet. Auto wind 31 jewel chronometer movement. Synthetic sapphire crystal. Blue dial (with purple tint) with calendar and special blue time lapse bezel. Stainless steel and gold oyster flip-lock bracelet with diver extension.