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A Michel 520
Ligne: 5.75 x 8.5'''
Jewels: 15
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 12.8 x 19.5 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 mm
The A Michel 520 is a manual wind watch movement that was likely used around the period of 1950. It shares many parts with the Eterna 1057 movement, but the exact differences between the A Michel 520 and other similar movements such as the 761-764, 773, 838-841, 846, 862, 882, 1030, and 1040 are not known. These numerical designations are believed to correspond to variations in base plates, bridge layouts, and lever bridges.
The A Michel 520 features the following functions:
- Automatic Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 280 x 8.0 mm | GR3204 | Manual | Buy mainspring |
| 1.30 x 0.080 x 260 x 7.5 mm | GR3203 | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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