Registered by Bader & Hafner SA / Bader SA / Mentor Watches, 11th July 1941. The Logo for Mentor was registered 10th January 1962.
Jump Hour (02321)
Dress watch (0221)
Jump Hour (0230)
Ladies Dress Watch (0335)
watch
Mentor-racing (0233)
watch (0037)
Jump Hour (0225)
watch (0340)
watch (0308)
watch (0327)
Mentor Marines (0017)
watch (0224)
watch (0241)
watch (0223)
