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Seiko 8420-738H
The Seiko 8420-738H features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.070 x 200 x 6.0 mm | GR3185 | 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 |
|---|---|---|---|
| HAMMER SPRING | X/1072 | X/1072 | Buy part |
| MAINSPRING 1.30-.07-200 6 | MS-414A | GR 3185 | Buy part |
| PALLET ARBOR | 72S/1P | 72204801312 | Buy part |
| ROLLER 155X75X33 | 82S/143R | 730/36 | Buy part |
| ROLLER 155X75X33 | 82S/9R | Buy part | |
| STAFF | 100/668A | 723/UNI 219 | Buy part |
| STEM | 200/798F | Buy part |
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