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Citizen BY-2031
The Citizen BY-2031 watch movement is an automatic mechanical movement with no second hand and operates at a beat rate of 28,800 vibrations per hour (vph).
The Citizen BY-2031 features the following functions:
- Automatic Winding
- Without Second Hand
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.125 x 420 x 10.5 mm | GR3149X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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