Watch Database
Seiko 3F31-0B90
The Seiko 3F31-0B90 watch movement features a day and date display function, along with a sweep seconds function. It operates at a beat rate of 21600 vibrations per hour (vph) and incorporates 7 jewels in its construction.
The Seiko 3F31-0B90 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
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KIF Part Listing
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Documents
Parts Listing
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