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Seiko 5Y30A
The Seiko 5Y30A watch movement features an adjustable stud holder for precise regulation, a sweep seconds function for smooth timekeeping, a jeweled lever for improved durability, and operates at a beat rate of 21600 vibrations per hour.
The Seiko 5Y30A features the following functions:
- Adjustable Stud Holder
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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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
| Part Description | Reference # | Alternate | Buy |
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