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Rotary Day Date Setting


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Hi I have my Grandads Rotary automatic 21 jewel watch he was given in 1974 for for a lifetime of service it is solid gold and keeps good time day date work ok but i cant set them.

The crown appears to be out slightly and doesnt wind the watch when i pull it out further it adjusts the time ok but wont push in fully when i took the movement out of the case i could wind the watch but it is very tight

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Looks like a AS1906,1916 or 2066 to me the setting is a keyless side problem  and it sounds like it needs a service if the winding is stiff don't wind it by hand any more you'll start to shear teeth if its stiff . Get it serviced.

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