Rolex Steel and Yellow Gold Datejust 31 Watch - Domed Bezel - White Roman Dial - Oyster Bracelet - 278243 wro Grey Steel case

Steel case

Rolex calibre 3255 automatic movement with centre hour

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

and stop-seconds for precise time setting

mint green dial

Rolex Steel and Yellow Gold Datejust 31 Watch - Domed Bezel - White Roman Dial - Oyster Bracelet - 278243 wro Grey Steel case31mm yellow Rolesor case comprised of Oystersteel and 18K yellow gold, screw down back, screw down crown with twinlock double waterproofness system, 18K yellow gold domed bezel, scratch resistant sapphire crystal with cyclops lens over the date, white dial, Roman numerals, Rolex calibre 2236 perpetual self winding movement with date at 3 o'clock, approximately 55 hours of power reserve, yellow Rolesor Oyster bracelet made from a combination of 904L