Rolex GMT-Master II / Ref 116718LN

Model case: Oyster, 40 mm, yellow gold / Oyster architecture: Monobloc middle case, screw-down case back and winding crown / Diameter: 40 mm / Material: 18 ct yellow gold / Bezel: Bidirectional rotatable 24-hour graduated Cerachrom insert in ceramic / Winding crown: Screw-down, Triplock triple waterproofness system / Crystal: Scratch-resistant sapphire, Cyclops lens over the date / Water-resistance: Waterproof to 100 metres – 330 feet / Movement: Perpetual, mechanical, self-winding, GMT function / Calibre: 3186, Manufacture Rolex / Precision: -2/+2 sec/day, after casing / Functions: Centre hour, minute and seconds hands. 24-hour display. Second time zone with independent rapid-setting of the hour hand. Instantaneous date. Stop-seconds for precise time setting / Oscillator: Paramagnetic blue Parachrom hairspring / Winding: Bidirectional self-winding via Perpetual rotor / Power reserve: Approximately 48 hours / Bracelet: Oyster, flat three-piece links / Bracelet material: 18 ct yellow gold / Clasp: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link


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