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Seiko F231-4000
The Seiko F231-4000 watch movement features an automatic self-winding mechanism, ensuring continuous operation without the need for manual winding. It is equipped with the Incabloc shock protection system, safeguarding against external impacts that may disrupt its precision. The movement also incorporates a sweep seconds hand, allowing for smooth and uninterrupted timekeeping.
The Seiko F231-4000 features the following functions:
- Automatic Winding
- Incabloc Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 340 x 10.0 mm | GR3256X | Auto | Buy mainspring |
| 1.30 x 0.095 x 360 x 9.5 mm | GR3239X | 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) |
|---|
Documents
Parts Listing
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