This Rolex Submariner 116619LB has a mechanical automatic self-winding Rolex caliber 3135 movement that’s rhodium plated with oeil-de-perdrix embellishment. It’s constructed with 31 jewels and a shock absorber system. It includes a straight-line lever escapement, a monometallic balance adjusted to temperatures and 5 positions, a self-compensating free-sprung Breguet balance spring, and Microstella regulating screws. It includes a central hacking seconds device for precision time setting, and the movement oscillates at a frequency of 28,800 vph (4Hz).
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