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Seiko 1N01-5B90
Frequency: 21600 vph
The Seiko 1N01-5B90 watch movement features a day and date display, sweep seconds functionality, calendar complications, and operates at a beat rate of 21600 vibrations per hour.
The Seiko 1N01-5B90 features the following functions:
- 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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