Omega speedmaster calibre1863

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My speedmaster is accurate when on automatic winder, but when I am wearing it it
is gaining about 30 second a day.
 
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When was it last serviced, are you manually winding it full daily and also why do you put it on a watchwinder?
 
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What are you looking to gain by placing a cal. 1863 on an automatic winder?
 
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Seems your watch needs a service and would need to be adjusted to more positions than vertical one…