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Seiko 5Y30-5120
Ligne: 11.5'''
Jewels: 12/13
Frequency: 18000 vph
Period used: ~1973
Diameter: 25.6 mm
Hands: 1.30 x 0.85 mm
The Seiko 5Y30-5120 watch movement is an electromechanically controlled balance motor movement that includes a hack feature. It was predominantly used during the period around 1973.
The Seiko 5Y30-5120 features the following functions:
- Electromechanically controlled balance motor
- Hack feature
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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