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Return To ShopThe Longines 19A watch movement, utilized exclusively by Mido from 1951 to 1960, is a variant of the 917P model, featuring additional quality. It incorporates an Incastar regulator, which is the sole regulator of its kind to include a freely oscillating hairspring. The spring's end is secured between two rollers, adjusting its length and avoiding isochronism errors caused by the gap between the regulator pins. This movement boasts a number of functions, including automatic winding, sweep seconds, and Incabloc shock protection.
The Longines 19A features the following functions:
Ronda Reference # | Shock System | Buy |
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Dimensions | GR Reference # | End Type | Buy |
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1.35 x 0.090 x 280 x 8.5 mm | GR3498X | Auto | Buy mainspring |
1.35 x 0.090 x 250 x 8.0 mm | Auto | Buy mainspring |
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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