39 mm stainless steel case
36mm 18K yellow gold case
Calibre Omega 8500 self-winding co-axial chronometer movement with date
18K yellow gold bezel with black ceramic ring and Ceragold tachymeter scale
and black rubber and galuchat strap
Rolex Yellow Gold Datejust 31 Watch - Diamond Bezel - Paved Mother-of-Pearl Butterfly Dial - President Bracelet - 278288RBR pmopbp Apollo 39 mm stainless steel case31mm 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, diamond paved mother of pearl butterfly dial, 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