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Seiko 4J81-5010
The Seiko 4J81-5010 watch movement features stem winding and an 8-day calendar function.
The Seiko 4J81-5010 features the following functions:
- 8 Day Calendar
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| PALLET ARBOR | 72S/217P | 714/IMH 241 | Buy part |
| SPRING, 3-ARM SHOCK | 400/505 | Buy part | |
| STEM, GENUINE | 401/504 | Buy part |
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