Rolex GMT-Master 126718GRNR 40mm Black Dial
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Will it fit your wrist?
At 40 mm, this watch fits a 17-19 cm (6.5-7.5 in) wrist. Most Rolex bracelets adjust to your size by adding or removing links, so the fit is not a fixed length.
Tell us your wrist size when you order (add it in the order notes) and we pre-size the bracelet before it ships — it fits the day it arrives, no jeweler.
Measure your wristThe GMT-Master pedigree traces back to 1955, designed with Pan Am pilots for tracking two timezones simultaneously. Our 126718GRNR keeps that pilot-tool DNA intact but in a heavier dress register: 40mm 904L steel case paired with a green-and-black Cerachrom bezel insert (the "Sprite" colorway in collector slang).
Black sunray dial, applied lume-filled batons, mercedes hour hand. 24-hour GMT hand sweeps the bicolor bezel for second-zone tracking. Jubilee bracelet (rather than the usual Oyster) softens the sport-tool profile considerably.
Swiss-clone caliber underneath with true GMT function, independently jumping hour hand. Sapphire crystal, Cyclops at 3, screw-down crown. The Jubilee adds about 4mm of perceived wrist presence over the same reference on Oyster.



