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Certina 20-10
Ligne: 8.75 x 9.75'''
Jewels: 17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Size: 19.74 x 21.99 mm
Hands: 1.20 x 0.65 mm
The Certina 20-10 watch movement is a manual wind movement with a subsecond function. It was predominantly used during the period of approximately 1945.
The Certina 20-10 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 137 | Ordinary/None | Buy staff |
| 266 | Incabloc | Buy staff |
| 3246 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.100 x 300 x 9.0 mm | GR4486 | Manual | Buy mainspring |
| 1.60 x 0.080 x 320 x 8.5 mm | GR4449 | Manual | Buy mainspring |
| 1.60 x 0.085 x 300 x 8.5 mm | GR4457 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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