black grained calfskin interchangeable strap
sun-brushed blue dial with an exterior minute track
18k red gold bezel with engraved roman numerals
Calibre 2385 selfwinding movement with chronograph
calibre 537/1 self-winding movement
Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Diamond Six Dial - President Bracelet - 278278 sdr6p 6119R001 black grained calfskin interchangeable strap31mm 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 diamond Roman IV dial, Roman numerals with 11 diamonds set on VI, 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