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Seiko 1E20-2A90
Ligne: 17'''
The Seiko 1E20-2A90 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CENTER WHEEL | 201/225 | Buy part | |
| FOURTH WHEEL, W/SECOND | 224/137 | Buy part | |
| HOUR WHEEL, HT 1.35 | 250/346 | Buy part | |
| RATCHET WINDING WHEEL | 450/199 | 452/FF 33-34 | Buy part |
| SET WHEEL | 450/198 | SMALL/FF 33-34 | Buy part |
| STAFF | 100/338 | Buy part | |
| STEM | 200/356F | Buy part | |
| THIRD WHEEL | 210/301 | 210/301 | Buy part |
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