Seamaster 300 cal 552 - how many turns of crown for full manual wind

bigtriangle68 · Sep 1, 2023

When I wind a 300 with cal 552 auto movement, I don't hear any indication (such has clicking) that it is fully wound. Does anyone know, approximately, how many turns of the crown is needed for a full manual wind on a 165.024?

omegastar · Sep 2, 2023

The mainspring in an automatic watch is not fixed. It slides by friction when fully wounded.
15 to 20 normal turns should do it.

Fallout Boy · Sep 2, 2023

AFAIK you should mainly wind SLOWLY because of the greater gear ratio...

Seamaster 300 cal 552 - how many turns of crown for full manual wind

bigtriangle68

omegastar

Fallout Boy

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