Pocket Rare

Antique Pocket Watch..?

I’ve got a golden pocket watch,, now my question is how am i supposed to know how much krts of gold it is ??,, if it’s real gold? and its a rare antique or some garbage pocket watch..
an old friend gave it to me long time ago and i wanna also know if its really worth caring about??

i got one too and i have no idea. it was my great-grandfathers. just go to a jewler and find out.

Rare Vacheron Constantin Key Wound Pocket Watch