Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Diamond Dial - President Bracelet - 278278 sdp Olive and a Calibre 3120 self-winding

and a Calibre 3120 self-winding movement that has dive time measurement

The Calibre is 3156 with mechanical self-winding movement and 48 hours power reserve

silver Jublilee dial

concealed folding Oysterclasp buckle

Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Diamond Dial - President Bracelet - 278278 sdp Olive and a Calibre 3120 self-winding31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, fluted bezel, scratch resistant sapphire crystal with cyclops lens over the date, silver dial, 10 diamond hour markers, Rolex calibre 2236 automatic movement with center hour, minute and seconds hands, instantaneous date with rapid setting, and stop seconds for precise time setting, approximately 55 hours of power reserve, 18K yellow gold President bracelet with