One of the great things about collecting and repairing is that feeling of taking a bunch of parts and making a working watch again. This restore begins with a scrap pile of cases from a former Timex repair center.  I chose a late 1960's Marlin case that is missing the stem tube. So to the parts stash and one issue resolved.  Off it than goes to get a bath in cleaning solution , polished, new crystal added along with correct case back. Next I service a used #24 movement also from t