Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Champagne Index Dial - Oyster Bracelet - 278278 chio SapphireCrystal Functions include hours

Functions include hours

13 mm thick

39 mm rose gold case with hand-guilloched hobnail-patteren decoration on the side

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

40mm platinum case

Rolex Yellow Gold Datejust 31 Watch - Fluted Bezel - Champagne Index Dial - Oyster Bracelet - 278278 chio SapphireCrystal Functions include hours31mm 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