caliber 777A self-winding movement
48mm 18K rose gold case sapphire crystal back
45 mm (available in 42 mm) polished and satin finished titanium case
calibre 89630 automatic movement with date
white dial with original breguet style arabic numeral hour markers
Rolex Yellow Gold Datejust 31 Watch - Diamond Bezel - Silver Diamond Six Dial - President Bracelet - 278288RBR sdr6p Yachts caliber 777A self-winding movement31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, bezel set with 46 diamonds, scratch resistant sapphire crystal with cyclops lens over the date, silver diamond Roman IV dial, Roman numerals with 11 diamonds set on VI, 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