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Seiko 1E20-0B30
The Seiko 1E20-0B30 watch movement features a day and date display, sweep seconds, a beat rate of 21600 vibrations per hour, and consists of 17 jewels.
The Seiko 1E20-0B30 features the following functions:
- Day and Date Display
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
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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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Parts Listing
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