Have you tired https://speedmaster101.com/ which is a good place to learn. What are your thoughts about your watch. Do you think it is in original configuration and as posted by @Passover what do you want to change?
to make it better for whom? are you not happy with the watch?
i think its a nice looking watch, and i would leave it as it is.
check if the movement is in need of a service.
to make it better for whom? are you not happy with the watch?
i think its a nice looking watch, and i would leave it as it is.
check if the movement is in need of a service.
any disclosure from the seller to share here would be initially helpful for OF advices, then pictures of its inner caseback and caliber is highly suggested.