Working. Ernest Borel Cocktail Kaleidoscope 17 Jewels, Manual Swiss Watch

Crack on reverse

Winds and mechanism spins

This belonged to my grandmother. I tested it out and it runs but it needs to be wound regularly and I am not sure how frequently to keep time.

There’s a minor scuff on the face and a crack on the back. No moisture inside

Smoke free / pet free home. No returns. I took videos and can not figure out how to use them for this listing.