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Seiko 7N42-0BT0
The Seiko 7N42-0BT0 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.080 x 260 x 7.5 mm | GR3474 | 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 |
|---|---|---|---|
| MAINSPRING 1.35-.08-260 7,5 | MS-4513G | GR 3474 | Buy part |
| STAFF, INCA .50 COL | 100/767A | 724/GRU 222 | Buy part |
| STEM, TAP 10 | 200/1109F | 401/ETA 1308 | Buy part |
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