Rolex 126718grnr bkj GMT Master II 40mm Men's Watch.  18K yellow gold case, screw-down back, screw-down crown with triplock triple waterproofness system, bidirectional rotatable 24-hour graduated bezel with two-colour grey and black cerachrom insert in ceramic and moulded numerals and graduations, scratch-resistant sapphire crystal scratch-resistant sapphire, black dial 0, Rolex calibre 3285 perpetual self-winding, gmt function movement with centre hour, minute and seconds hands, 24-hour display, second time zone with independent rapid-setting of the hour hand, instantaneous date, and stop-seconds for precise time setting, approximately 70 hours of power reserve, Jubilee bracelet with five-piece links, folding Oysterlock safety buckle with Easylink 5mm comfort extension link