comes with additional blue rubber strap
Rolex calibre 2236 automatic movement with centre hour
index hour markers with Chromalight
caliber 2120 self-winding movement with hours
self-winding chronometer Omega 2500 movement with Co-Axial Escapement and date
Rolex Yellow Gold Datejust 31 Watch - Diamond Bezel - Silver Diamond Dial - Oyster Bracelet - 278288RBR sdo Chronograph comes with additional blue rubber31mm 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 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 Oyster