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Seiko 1F21-0J1A
The Seiko 1F21-0J1A features the following functions:
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) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 721/2026 | 175A | Buy part |
| REGULATOR W/STUD HOLDER | 301/1386 | Buy part | |
| ROCKING BAR | 437/110 | Buy part | |
| SET BRIDGE | 445/1234 | 1175/ORS 715 | Buy part |
| SET LEVER | 443/1416 | Buy part | |
| STAFF | 100/2749 | Buy part | |
| STEM | 200/1754 | Buy part | |
| WINDING PINION | 410/1288 | Buy part |
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