A splendid Vacheron from the 50's. I'm sure if you sent a picture to a Vacheron boutique they'd be happy to give you the reference number and then you could do some research on Google.
But it is necessary to confirm the diameter of the watch. if it is 38mm, it fit reference 4624. Jumbo size in 1950s, beautiful guilloche on dial, fit with caliber453. The dial looks in good condition, and if you want to buy it, you need to get HD photos t...