Rolex Yellow Gold Datejust 31 Watch - Diamond Bezel - Dark Mother-of-Pearl Diamond Dial - President Bracelet - 278288RBR dkmdp Patent while 18K Sedna™ gold is

while 18K Sedna™ gold is used for the hands as well as the indexes

calibre 79320 self-winding movement with date and day display

The TAG Heuer Formula 1 collection was created in 1987

7mm 18K yellow gold case

CROWN Screw Down BEZEL Ceramic MOVEMENT Automatic DIAL COLOR Green DIAL TYPE Analog BAND MATERIAL Rubber CLASP AP Folding Clasp WATER RESISTANCE 100 Meters (330 Feet) GENDER Men's

Rolex Yellow Gold Datejust 31 Watch - Diamond Bezel - Dark Mother-of-Pearl Diamond Dial - President Bracelet - 278288RBR dkmdp Patent while 18K Sedna™ gold is31mm 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, 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