Movement with a central second hand and Stopwatch function

A special feature of this movement is the function of stopping the second hand

When the crown is extended, the second hand stops and you can set the time exactly

Also, the watch can be used as a primitive stopwatch

Case - german silver, chrome plated

Case size - 33mm without crown

Lug width - 16mm

Acrylic crystal

Diameter - 26 mm

17 jewels

Stopwatch function - seconds hacking mechanism (at the moment of pulling out the crown, the balance stops)

Shock protection

Frequency - 18000 vph.

Daily rate from -20 to +20 s/day

Power reserve minimum - 39 hours