Rolex Movement 3135

The Rolex Caliber 3135—yeah, that one—has been the backbone of some of the most iconic timepieces since it debuted in 1988. Rugged, reliable, insanely precise…it just works. It’s the kind of movement collectors keep coming back to, whether they know every component by heart or just love the feel of a dependable classic. If you’ve been browsing through pieces on Tropical Watch, you’ve probably spotted more than a few watches built around this legendary caliber.