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Seiko 5420A
The Seiko 5420A watch movement is an American made mechanical movement.
The Seiko 5420A features the following functions:
- American Made
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 |
|---|---|---|---|
| JEWEL LOWER THIRD WHEEL | B5R92/SB | Buy part | |
| JEWEL UPPER THIRD WHEEL | 04R92 SB | Buy part | |
| STAFF POLISHED | 3119018/SB | Buy part | |
| STAFF, 18S P12 DR | 22BB/108 | 1119018/SB | Buy part |
| STAFF, SEMI=POLISHED | 2119018/SB | Buy part |
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