An UFO in the vintage diving watch universe: Nivada Grenchen Depthomatic.
There were two " Depthomatic " from Nivada Grenchen, one from 1964, and the second generation, from 1966. Here is the second generation. This watch, water resistant to 200 meters, is a mechanical depth gauge, and it seems that the first generation from 19...
Cool UFO, I like it.
The inner bezel and dial/hands look great. I guess the red date was good for legibility. Thanks for sharing. Vte
Nicolas, you turn up the most interesting vintage nuggets.
Another beauty here, thanks for posting these watches for us to see.