It's safe to say this "All Black" GMT-Master II ref. 116710LN has proved itself not only as a versatile sports watch but a solid investment. 

It features a black (scratchproof) 60-minute graduated Cerachrom bezel, and an additional green 24-hour hand displaying 3 time zones at once. Powered by Rolex's self-winding calibre 3285 movement, with 2-day power-reserve, waterproof to 100m, and fitted to its polished centre link Oyster bracelet, with 5mm Easylink adjustment for summer/winter. Presented complete with its Rolex box, booklet, GMT instructions, Chronometer seal, bill of sale & UK stamped Rolex international warranty dated April 2011. Under our two-year Watch Club warranty.