A few more details about your wearing pattern would help us comment on your post. Was the watch brand new, or pre-owned. If the latter, do you have a return privilege? Many Seiko automatics cannot be wound manually. They rely on your activity level, and the wearing pattern of the watch. If it was run down when first put onto the wrist, it could take 12 to 16 hours on the wrist for it to wind fully to give you an 40hour reserve. Assuming the wearer (you) was active. Wear it only for an evening, you’ll be lucky if it runs all night, off the wrist. So, is there a problem with the watch, or does your wearing pattern need to change?
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