The swiss lead the way in post-war wrist watch technology. You must be able to clean and repair your own watch if you want to go vintage. Watchmakers are a dying breed, if you can find one expect ...

That’s a wrist-mounted PDA ... [mclien] has had this watch/PDA for a while now, and found the original 180mAh battery wasn’t cutting it anymore. He made a little modification to the watch ...