Vintage Monopusher Chronograph Crown Button Winder Trench Watch Wrist Watch.

Looks like it’s never been fitted or used.

Please see photos for design and approximate sizes.

Crown assembly only, no stem or tube.

There is no internal spring.

The button slides up and down.

When you rotate the crown, the complete assembly rotates.

As found in old watchmakers tool box.

Sold for spares or repairs.

Please see all photos, thanks.