The Longines 17.80ABC watch movement is a mechanical movement with a beat rate of 21,600 vibrations per hour (vph).
The Longines 17.80ABC features the following functions:
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| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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