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Certina 15-21
Ligne: 12.5'''
Jewels: 21
Frequency: 18000 vph
Type: Automatic
Period used: 1966-
Diameter: 28.2 mm
The Certina 15-21 watch movement is an automatic movement with a sweep second and date function. Its period of use is from 1966 onwards. The differences between the 5400, 5410, 5420, 5430, and 5470 variations are not known.
The Certina 15-21 features the following functions:
- Automatic Winding
- Date
- Sweep second
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 |
|---|---|---|---|
| ROLLER 180X75X33 | 82S/193R | Buy part | |
| STAFF | 043-19 | 723/1248 | Buy part |
| SWEEP SECOND PINION, HT 5.05 | 025-23 | 275/528 | Buy part |
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