Helvetia & The Depollier Watch Corp.
For a while I have been aware that Helvetia were using a 'cross' shaped shock protection system at about the time they patented their own...
I haven't updated this page for a while but I am going to start adding new watches and discoveries I find here and then add them to the main pages as time allows. So please check here for updates and I will eventually incorporate these posts into the main pages as I get the chance. Thanks for looking!