Both these were early examples from 1980. This can be identified by two characteristics: 1) the word "Schaffhausen" on the dial is in capitalized serifed italics (while later it was in cursive) 2) the bracelets on both watches are in aluminum (while very ...
Is that a magnet that holds the watch top to the bottom compass half? It looks like a small magnet but that seems problematic next to the watch mechanism and compass.