Just finished up this repair, a classic 1972 model in need of much TLC. Here is the before  and After, followed by how I got there.   and this is how I got there -  pop the case off and unscrew the set lever screw about 2.5 turns. out comes the movement and the tear down begins. While doing so I see the crystal will have to be replaced as well as the crown\stem. I also spot an oil spill on the date ring, this means someone has been in here before and did not