香港精密科技有限公司
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Case fitting diameter: 11 1/2''' - Dia. 25.60 mm
Height: 3.35 mm
Frequency: 28'800 A/h (4 Hz)
Running time: 42h
Number of jewels: 17
Average rate: 12 +/- 12 s/d
Winding: Manual winding
Functions: Hours, minutes, seconds, date