21 jewels40h power reserve28,800 vph (4 Hz)
The KB52A is an automatic movement manufactured by Hangzhou Watch Company in China. It measures 26mm in diameter and 3.3mm thick, operating at 28800 vph with 21 jewels and a power reserve exceeding 40 hours. The movement features a small seconds display at 6 o'clock with an exposed balance wheel visible on the dial side.
Last updated 15 Sep 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
21 jewels
Power Reserve
40h
Frequency
28,800 vph (4 Hz)
Diameter
26mm
Height
3.3mm
Display Type
Analog
FEATURES
Sweep SecondsSmall Seconds
QUICK FACTS
FOR WATCH DEALERS
Sell watches powered by the KB52A?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.