One of the "patent-queens" in watchmaking: the cute little IWC Porsche Design Compass ref. 3510 in all alloy
This watch needed to have an a-magnetic (automatic) movement in order not to distract the built-in compass (back then: the flattest compass in the world and the first "maintenance free" compass in the world). So the bearing balls for the automatic movemen...
The Newer Reissue of that watch
A friend of mine bought this about 3-4 years ago. I don't think he's ever worn it out of the house. I suspect because (in real life) it's about as useful as this Seiko Fieldmaster that I used to own... :-( Or this compass! ...
