Rare Vintage Gallet Stopwatch Timers Collection. It is marked on the face Gallet By Racine and Swiss. It measures 2 inches (50mm) in diameter. It winds smoothly and runs, the 30 minute chronograph register also runs.
It is a true racing watch with the face having numerous functions to calculate lap times and speed. It is a 1/10 second 30minute timer. Wind it up and slide the lever at 60:00 o'clock position it starts the timer, push the lever back and it stops. Push the crown down it resets and flyback and starts over.