The GMT Master II reference 116710LN was introduced at the Basel World Fair in 2007, the “LN” for “Lunette Noir”, French for black bezel. The Oyster case was upgraded and differed from its predecessor by the “super case” including larger lugs with vertical satination instead of diagonal, coarser sationation of the lugs than of those of the earlier model, triplock crown instead of twinlock, AR (anti-reflective) coating of the cyclops lense, green GMT or 24 hour hand, green "GMT MASTER II" writing on the dial, "Maxi Dial", e.g. larger hands and larger indexes, ceramic bezel insert with platinum-filled numbers as opposed to the anodized aluminium bezel insert of the, the bracelet with solid, polished centre links, heavier and more complicated construction of the clasp, including a hidden “Easy Link”.