My OP's power reserve is not 48 hours...

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Originally Posted by Adam Brian

Hey guys,

Bought my Oyster Perpetual a few months ago. The power reserve was fine when I bought it (I think, I was wearing it so much that I didn't really give it a chance to use the reserve haha). Anyways, it only runs for about 36-38 hours now. This would normally be fine for me but I have school in the morning and it is a pain manually rewinding it when I have to be at school in 10 minutes since the last thing I do is put on my watch.. . .

So your real problem is poor time management.

Your watch is likely perfectly fine. You are simply not active enough to fully top off your watch on a daily basis, hence, you only see what you have put into it. It is not magic, it is your daily activity that winds your watch.

In any event, I don't see your problem. Give your watch a few winds when you take it off at night and you won't have to worry about it when you are rushing in the morning.