exportdept@stopwatchsh.com
Shanghai Minhang District 2F, Building 6, No.1238 Xinyuan Road, Shanghai, China
miaojiang
JM-803 mechanical stopwatch
Product Description:
- Calibre: Φ 50mm
- Timing accuracy: 1/10sec.
- Time slot: 0-15min
- Operation: Two-button control/Start Stop Continue/Zero
- Movement parts: 13 jeweled bearings
- Vibration frequency: 36000
