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Seiko 6139-8020
The Seiko 6139-8020 watch movement features an adjustable stud holder for more precise timekeeping. It incorporates shock protection to enhance durability. Additionally, the movement includes a calendar function for displaying the date.
The Seiko 6139-8020 features the following functions:
- Adjustable Stud Holder
- Calendar
- Shock Protection
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 240 x 7.0 mm | GR4445 | 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
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