Glycine vacuum is an unmolested watch I don't believe the crystal has ever been removed as the dial has a beautiful aged patina that looks great and the watch  runs perfectly winds and runs as it should date complication flips at the midnight position no issues and has an aftermarket leather band the dial is called the Crosshair highly sought after being  manufactured from the early-1960s the reference number is 355742

Please see photos for specific details of item listed

Vintage time piece over 70 years old and runs, a service and inspection by watchmaker is always advised,

Thanks for looking