Hangzhou Watch Company 3850E

The 3850E is a manual-winding mechanical movement manufactured by Hangzhou Watch Company. It operates at 28800 vph (4 Hz) with a power reserve of 40 hours and contains 33 jewels. The movement features a double tourbillon complication, a sophisticated mechanism designed to improve timekeeping accuracy by counteracting the effects of gravity on the escapement. This caliber represents Hangzhou Watch Company's work in high-end mechanical watchmaking.