One of the first of wrist chronographes, 1915. Silver case

Nice and rare wrist chronograph.

While chronographs appeared in beginning of XIX, it's complexity didn't allowed to create mass production of small movements.
Only in 1910s, before WW1, number of Swiss manufacturers issued movements suitable for wrist watches.

This chronograph bears swiss and british hallmarks taht allows specify, that it was produced in Geneva in 1915.
This make it one of the early wrist chronographs.

The movement bears early number 090, it's based on design developed by Alfred Lugrin, founder of Lemania company. Lemania was specializing on design on chronograph watches, it's complication was used by Omega and other grands of watch industry.

Most likely, this watch was produced by Jeanneret company, who licensed from Lugrin design of chronograph.

Diameter without crown is 36mm, size with crown is 41mm.
Movement is in good condition, all chronograph functions are works as it should be.
The case is without significant flaws, common wear.
The dial is in very good condition. Original glass is scratched.

Nice watch to early chronograph collection.