Rolex Yellow Gold Submariner Date Watch - Blue Bezel - Blue Dial - 2020 Release - 126618LB41 mm 18K yellow gold case, screw down crown with triplock triple waterproofness system, unidirectional rotatable bezel with blue Cerachrom insert and gold coated numerals and graduations, scratch resistant sapphire crystal with cyclops lens over the date, blue dial, Rolex calibre 3235 automatic movement, approximately 70 hours of power reserve, 18K yellow gold Oyster bracelet with flat three piece links, folding Oysterlock buckle with glidelock