I guess you need to figure out what size the hands are (i.e. the inside diameter where they each attach, and their respective lengths), and where the dial feet are placed relative to the 12 O'clock position and each other, armed with that info, you would be in a better position to search for a suitable movement.
Alternatively let us see a few clear, close up pictures of the current movement, the dial stem and crown and we may be able to make an educated guess as to what might be a suitable replacement.
I'm hoping to clean-up and repair an attractive but failing fake Rolex I purchased in NYC back in the 1990's . The movement died and I would like to replace it with as an exact fit as I can find whether it be quartz or automatic. The movement that came in the watch is marked ...
I am not finding a B7N anywhere (yet). Does anyone know what movement is (mostly) the same as the B7N? Also, I am new to all of this so there may be a thousand movements that fit.?? My watch uses a plastic adapter to fit the movement--not sure how one fits/mates/sizes movements to cases (this one 40mm) , and adapters. Please point me in the direction I should go. THANKS!