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Seiko 5Y30-7A20
The Seiko 5Y30-7A20 is an automatic watch movement with a sweep seconds hand and a calendar function. It operates at a beat rate of 18000 vibrations per hour and contains 17 jewels.
The Seiko 5Y30-7A20 features the following functions:
- Automatic Winding
- Calendar
- Sweep Seconds
Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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