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Seiko 4720-300W
The Seiko 4720-300W watch movement is an automatic movement that features sweep seconds, a calendar function, and operates at a beat rate of 21,600 vibrations per hour (vph).
The Seiko 4720-300W features the following functions:
- Automatic Winding
- Calendar
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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Documents
Parts Listing
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