There was quite a bit of rust at the center of the watch, affecting the hands and freezing the cannon pinion to the center wheel shaft, and the minute wheel to the cannon pinion. I managed to get them all apart and cleaned up. Other than the hands, which are pretty bad, and I'm not sure about them yet, the various other parts have cleaned up well and will work fine.
The base plate on this movement features the replace slot and all the screw holes to support the shipper mechanism that most stem-set Walthams have. This watch is lever-set. But this run of plate could easily be used for either stem or lever set models. A retail watchmaker, if they had the parts, could also make the change.
This is a Waltham 1892 model, P.S. Bartlett signed 18 size, 17 jewels, lever-setting