Vintage 1960's Heuer Carrera Fisher Chronograph 2447s

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Vintage 1960's Heuer Carrera Fisher Chronograph 2447S I am not sure it is a 2447S but from what I have read, that's correctIt was my fathers watch. he died when I was 6 and it sat in a drawer until my mom offered it to mein the early 80's It didn't keep great time so I never wore it.It has never been cleaned while I have owned it an assuming my father never did because he only used it for 2-4 years It has been in my jewelry drawer since the 80'sIt does not run. If I rotate it back and forth it w...