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Seiko 7730-5020
The Seiko 7730-5020 watch movement features a day and date display function, allowing for the simultaneous indication of both the current day and date. Additionally, it incorporates a sweep seconds function, providing a smooth continuous movement of the seconds hand. Furthermore, the movement includes a calendar feature, allowing for the tracking and display of the current month and year.
The Seiko 7730-5020 features the following functions:
- Calendar
- Day and Date Display
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.090 x 300 x 8.5 mm | GR4101 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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