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Seiko 5A74-2B50
Ligne: 7.75'''
The Seiko 5A74-2B50 watch movement features a sweep seconds function.
The Seiko 5A74-2B50 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.105 x 300 x 9.0 mm | GR2935 | Manual | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE FLAT HSPG | 721/901 | Buy part | |
| HAIRSPRING, FLAT | 734/MID 707 | Buy part | |
| PALLET ARBOR | 72S/10P | 714/ETA 2890 | Buy part |
| ROLLER 155X75X33 | 82S/143R | 730/36 | Buy part |
| STAFF, RIV .80 HSP .50 | 100/1186 | Buy part | |
| STEM | 200/588F | Buy part |
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