18K Sedna gold screw-in crown
sun-brushed blue dial with an exterior minute track
black grained calfskin interchangeable strap
calibre 537/1 self-winding movement
Caliber Omega 8705 self winding movement with co-axial escapement
Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Diamond Six Dial - President Bracelet - 278278 sdr6p 6119R001 18K Sedna gold screw-in crown31mm 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