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Operating Environment| operational temperature range | –10° C ~ +60° C (14° F ~ 140° F) |
|---|---|
| magnetic resistance | 4, 800 A/m (60 gauss) |
| water resistance | up to 200 meters |
Movement| vibrations per hour | 21, 600 |
|---|---|
| driving system | Self-winding type |
| jewels | 21 jewels |
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