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Return To ShopThe Kasper 900 is a manual wind mechanical watch movement that features a sub-second function. It was widely used around the year 1946, although the details regarding the manufacturer of the ebauches and the differences between the Felsa 390, 392, 393, and 398 remain unknown.
The Kasper 900 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.120 x 340 x 10.5 mm | GR4936 | Manual | Buy mainspring |
| 1.70 x 0.120 x 320 x 10.5 mm | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Part Description | Reference # | Alternate | Buy |
|---|
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