caliber 9904 self-winding Co-Axial master chronometer movement with chronograph and moon functions
unidirectional rotating bezel with orange rubber and Liquidmetal diving scale
double glareproofed sapphire crystal
a self-winding mechanical movement with bidirectional rotor system that allows a power reserve of approximately 70 hours
27 mm polished stainless steel and 18K yellow gold case
Rolex Yellow Gold Datejust 31 Watch - Domed Bezel - Silver Diamond Dial - President Bracelet - 278248 sdp James caliber 9904 self-winding Co-Axial master31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, domed 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