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Amida 428
Ligne: 10.5'''
Jewels: 17/21
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.75 mm
Height: 3.8 mm
Hands: 1.40 x 0.80 / 0.20 mm
The Amida 428 watch movement, used around the period of 1955, is a manual wind movement that features a sub-second function. The base plate of this movement can either be flat or bevelled. Currently, there is insufficient information available to differentiate between the 120 and 123 variants of this movement.
The Amida 428 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2733 | Ordinary/None | Buy staff |
| 4348 | Incabloc | Buy staff |
| 4348 | Kif | Buy staff |
| 4348 | Rubyshock | Buy staff |
| 4349 | 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 |
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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