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Vacheron Constantin

have you read the watch manual which will advise on winding

 

if the model has calibre 4400 which has a power reserve of 65 hours-to fully wind would require approx 80 or more thumb roll turns of the crown
when you feel resistance is normal-(as the mainspring is winding around the barrel arbor) and to keep on going-if you use your nails of your thumb and index finger to wind then you will not over wind as the crown will slip in the nail grip when maximum wind is reached.

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