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Seiko 2C20-523A
Base: Seiko 2C20A
The Seiko 2C20-523A 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 |
|---|---|---|---|
| BAND | B5093G | Buy part | |
| CANNON PINION, HT 1.90 | 0270214 | 240/1981 | Buy part |
| CROWN, YELLOW TAP 11 | 32N09NA1 (use 35ME9NA1) | 32N09NA1 | Buy part |
| CRYSTAL X- | ESKN39HN00 | CRY-6878 | Buy part |
| GASKET, CASE BACK | 0H1500B01 (use 0E150BA1S) | 0H1500B01 | Buy part |
| GASKET, CROWN/STEM | DH0100B01 | G283-592 | Buy part |
| HANDS, YELLOW USE 1CA040A1BNG | 06L07DG | Buy part | |
| HOUR WHEEL, HT .70MM | 0271216 | 250/1658 | Buy part |
| SET LEVER | 0383213 | 443/1697 | Buy part |
| STEM, TAP 11 LEN 10MM | 0351225 | 401/1084 | Buy part |
| TRAIN WHEEL BRIDGE | 0125212 | Buy part |
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