I have a Heuer 5 minute yacht timer that i am trying to find some information on. It is a Stainless steel pocket stop watch with E D. Heuer and Co S.A Swiss 1032720. It is a 7 jewel, with a white face, Blue hands and a red small 5 minute dial with a 5 point star in mid. Numbers are in reverse sequence indicating a count down timer. It comes with PVC plastic or rubber cover, persumably for protection against the sea. We have searched through the net and can not find anything remotely similar and can not determine year (although the numbers resemble something similar we found dating back to 1970) Any information would be grately received.