Women's mechanical watch Ring Ring CHAIKA CHAIKA Gold plated AU Vintage USSR Size 17.5

The watch works, the clock mechanism shows the exact time (this mechanism allows for errors in the accuracy of the movement - this is allowed by the manufacturer).
The watch has been serviced by a watchmaker.
Watch case size (without crown): width 19.5 * 16 mm, thickness 8 mm.
Watch weight: 8.3 grams.
Ring size 17.5 (this information is indicated on the inside of the ring).
The watch is manually wound.
The mechanism has a power reserve of up to 25 hours.
The watch mechanism is 1301 SU - 17 jewels (the number on the watch cover is 022142).
The watch is gold plated and has the AU stamp on the watch case.
The watch is not new, but in good condition. The watch has minor wear on the case.

Nice, vintage watches made in the USSR - MADE in USSR.

You will receive the watch shown in the photo.