Rolex Steel and White Gold Datejust 31 Watch - Domed 24 Diamond Bezel - Black Roman Dial - Jubilee Bracelet - 2020 Release - 278344RBR bkrj XVII approximately 45 hours of power

approximately 45 hours of power reserve

calibre 9300 self-winding chronograph movement with column wheel mechanism and co-axial escapement for greater precision stability and durability

18K yellow gold rotatable time lapse bezel

approximately 40 hours of power reserve

calibre 89900 automatic movement with chronograph

Rolex Steel and White Gold Datejust 31 Watch - Domed 24 Diamond Bezel - Black Roman Dial - Jubilee Bracelet - 2020 Release - 278344RBR bkrj XVII approximately 45 hours of power31mm white Rolesor case comprised of Oystersteel and 18K white gold, screw down back, screw down crown with twinlock double waterproofness system, 18K white gold domed bezel set with 24 diamonds, scratch resistant sapphire crystal with cyclops lens over the date, black dial, Roman numerals, Rolex calibre 2236 perpetual self winding movement with date at 3 o'clock, approximately 55 hours of power reserve, Oystersteel Jubilee bracelet with five piece