Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Champagne Index Dial - Oyster Bracelet - 278278 chio SapphireCrystal instantaneous annual calendar at 3

instantaneous annual calendar at 3 o'clock and rapid-setting of the date

Celestial dial with black sapphire-crystal disks for sky background and moon phases and transparent sapphire-crystal disk for sky chart and Milky Way

553 diamonds: 12

white mother-of-pearl dial

18K Everose diamond bezel

Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Champagne Index Dial - Oyster Bracelet - 278278 chio SapphireCrystal instantaneous annual calendar at 331mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, fluted bezel, scratch resistant sapphire crystal with cyclops lens over the date, champagne dial, index 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 bracelet with flat