Basically if you have more than one automatic watches, winder will be a good convenience of not having to set up the time/date again. You can just grab and go come the time to wear the watch. I have winder and many automatic watches, but i almost never used the winder. So that tells you the usefulness of winder in the daily grind of life.
Btw be careful with all gold watch on winder, as they are heavy enough to ruin the winder motor. Happened to me.
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