Yes, you will need to get it serviced fairly soon, but in order to get it fully wound, you will need to give the crown 40 turns to load the main spring. After this, just wearing it for 8 hrs a day should maintain power.
i suggest try this - set the time accurately, wind 40 times, wear 8 hrs a day for 3 days, and record accuracy - and after 3 days, put the watch down and ask here for recommendations for a good local watchmaker in your region ( county and county, or state if in usa is normally accurate enough)
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