36 mm steel case
Rolex calibre 4130 perpetual self-winding movement with chronograph central second hand
blue ceramic bezel ring with brushed platinum Liquidmetal tachymeter scale
9 diamonds set in star shaped hour marker settings and 8 diamond set in Roman numeral IX
yellow gold Rolesor Jubilee bracelet comprised of a combination of 904L steel and 18K yellow gold in five-piece links
Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Diamond Dial - President Bracelet - 278278 sdp Silicon 36 mm steel case31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, fluted bezel, 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 President bracelet with