The Rolex GMT-Master II Ref. 116718LN features a 40mm solid 18k yellow gold "Super Case" paired with a signature green dial and a black Cerachrom ceramic bezel with 24-hour gold-filled numerals. Powered by the automatic Caliber 3186 movement—equipped with a Parachrom hairspring and a 48-hour power reserve—it offers an independently adjustable local hour hand to track up to three time zones simultaneously. The watch is completed by a solid 18k yellow gold Oyster bracelet featuring an Oysterlock safety clasp, a 5mm Easylink extension, and a water resistance rating of 100 meters.