Caliber Omega 2627 self winding movement with rhodium-plated finish
sapphire crystal
stainless steel bracelet with 18K yellow gold bars
38 mm brushed stainless steel case
caliber 8520 self-winding movement with chronometer and a date window at 3 o'clock
Rolex Yellow Gold Datejust 31 Watch - Domed Bezel - Silver Diamond Six Dial - Oyster Bracelet - 278248 sdr6o Opal Caliber Omega 2627 self winding31mm 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 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 reserve, 18K