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Seiko 4N20-5620
The Seiko 4N20-5620 watch movement encompasses a chronograph function, allowing for precise tracking and measurement of elapsed time. Additionally, it features a calendar function, displaying the date.
The Seiko 4N20-5620 features the following functions:
- Calendar
- Chronograph Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.110 x 340 x 10.0 mm | GR3285 | 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 |
|---|---|---|---|
| SET BRIDGE | 445/1231 | Buy part | |
| SET SPRING | 440/975 | Buy part |
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