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Asco 7500
Ligne: 10.5'''
Jewels: 15/17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 23.3 mm
Hands: 1.40 x 0.80 mm
The Asco 7500 is a mechanical watch movement with a bimetallic screw balance. The differences between the Felsa movements numbered 71, 73, 75-80, 144, 166, 167, 203, 205, 216, 219, 240, 244, 255, 268, 284, 286, 287, and 326 are not known. The Asco 7500 movement is known to have functions including manual winding, sub-second, and it was used around 1935.
The Asco 7500 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3480 | Ordinary/None | Buy staff |
| 983 | Ordinary/None | Buy staff |
| 994 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.90 x 0.170 x 360 x 13.0 mm | GR5605 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 x 9.0 mm | 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) |
|---|
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