Tissot navigator stopwatch made for racing. It is correct and well preserved. The box is made of fiberglass. Tissot was the first company to develop a watch with a fiberglass case. The cover has 2 large pushers, one for start/stop, and the other for putting the hands back. Manual winding. size: 42 mm without crown and thickness 20 mm. Comes with strap.

 Photos are part of the item description. I have uploaded a video of how the watch works.