Rolex Steel and White Gold Datejust 31 Watch - Diamond Bezel - Dark Grey Roman Dial - Oyster Bracelet - 278384RBR dkgro Sunburst Celestial dial with black sapphire-crystal

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

81 mm thick

Waterproof to 100 meters

leather strap with fold-over buckle

beige alligator strap with square scales

Rolex Steel and White Gold Datejust 31 Watch - Diamond Bezel - Dark Grey Roman Dial - Oyster Bracelet - 278384RBR dkgro Sunburst Celestial dial with black sapphire-crystal31mm white Rolesor case comprised of Oystersteel and 18K white gold, screw down back, screw down crown with twinlock double waterproofness system, 18K white gold bezel set with 46 diamonds, scratch resistant sapphire crystal with cyclops lens over the date, dark grey dial, Roman numerals, Rolex calibre 2236 perpetual self winding movement with date at 3 o'clock, approximately 55 hours of power reserve, Oystersteel Oyster bracelet with flat three piece