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Amida 428
Ligne: 10.5'''
Jewels: 15/17
Lift Angle: 55°
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1944-1962
Diameter: 23.4 mm
Height: 4.9 mm
Hands: 1.50 x 0.90 x 0.20 mm
The Amida 428 watch movement was produced between 1944 and 1962, with early samples featuring a fixed stud carrier and late samples featuring a mobile stud carrier. This movement is manual wind and includes a sweep second function.
The Amida 428 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1798 | Ordinary/None | Buy staff |
| 1744 | Incabloc | Buy staff |
| 2991 | Shock Resist | Buy staff |
| 2991 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.105 x 300 x 9.0 mm | GR4134 | Manual | Buy mainspring |
| 1.50 x 0.110 x 260 x 9.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.110 x 260 x 8.0 mm | GR4147 | 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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