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Bulova 12OTC
Ligne: 12.5'''
Jewels: 13
Frequency: 28800 vph
Type: Electronic
Period used: 1971-1974
Diameter: 28 mm
Hands: 1.50 x 0.90 x 0.22 mm
The Bulova 12OTC watch movement, used in Biostar models between 1971 and 1974, features an electronically controlled balance motor, sweep second hand, circadian rhythm display, and a date function that can be adjusted by changing 23-24 hours. Additionally, it includes a hack feature and is characterized as electronic while also exhibiting sweep seconds.
The Bulova 12OTC features the following functions:
- Circadian rhythm
- Date: set by changing 23-24h
- Electronically controlled balance motor
- Hack feature
- Sweep second
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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