Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Dark Mother-of-Pearl Diamond Dial - President Bracelet - 278278 dkmdp31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, fluted bezel, scratch resistant sapphire crystal with cyclops lens over the date, dark mother of pearl 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

black leather strap with tang-type buckle

Caliber Omega 1861 manual-winding movement with chronograph

eggshell white enamel dial with vintage OMEGA logo

caliber 9612 MC manual movement

black rubber strap with red stitching

caliber 9462 MC manual movement

unidirectional rotating bezel with scratch-resistant ceramic Cerachrom insert and yellow gold coated 60-minute graduations and numerals

turquoise blue rubber strap

Strap: Black alligator leather

self-winding chronometer Omega 3330 movement with Co-Axial Escapement

a pinnacle of Swiss horology

This timepiece houses the Rolex Calibre 3255 Automatic movement