24 jewels80h power reserve28,800 vph (4 Hz)
The 7A20A is a manual-winding mechanical movement manufactured by Hangzhou Watch Company in China. It measures 30.0mm in diameter and 3.65mm in height, operates at 28800 vibrations per hour, and provides an 80-hour power reserve with 24 jewels. The movement features small seconds and hand-winding.
Last updated 15 Sep 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
24 jewels
Power Reserve
80h
Frequency
28,800 vph (4 Hz)
Diameter
30mm
Height
3.65mm
Display Type
Analog
Winding
Manual
FEATURES
Small SecondsHand Winding
QUICK FACTS
FOR WATCH DEALERS
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