The pocket watch in the image is a Swiss-made, open-face, keyless-winding women's pocket watch, likely dating back to around 1920. It features the markings "A.C 2", "T13 0.800", and "SILVER" inside the case, indicating it is made of 0.800 silver. The watch is a chronograph, possibly with a minute repeater function.

Very good case condition

Nor working