This Rolex GMT-Master II, reference JUB-ST-S-GMT, is a 15.5mm case in Steel unworn condition.
Rolex · JUB-ST-S-GMT
Rolex GMT-Master II in Steel, 15.5mm case.
The Rolex GMT-Master II is the archetypal professional traveler's watch, born from a 1954 collaboration with Pan American Airways. The "II" designation, introduced in 1983, marks an independently settable 24-hour hand — a genuine functional upgrade over the original. A 40mm Oyster case, rotating 24-hour ceramic bezel in iconic two-tone colorways, and Rolex's Cal. 3285 movement define the modern lineup, cementing its status as the most coveted sport Rolex on the secondary market. Read the full GMT-Master II buying guide ›
Founded in 1905 by Hans Wilsdorf, Rolex is the benchmark by which most mechanical watches are measured. The Geneva manufacture pioneered waterproofing, self-winding movements, and date displays, earning a reputation for precision and durability that transcends horology. Today it dominates the prestige sports-watch market and functions as much as a financial asset class as a timepiece. Browse all Rolex ›
