c.1918 Tavannes Watch Co (Cyma) Oversize Trench Watch with Shrapnel Guard. 
 
This watch is in great condition for its age, the nickel silver plated case does some wear on the sides and back but nothing too serious, the dial is in immaculate condition.The case has unusual stirrup style lugs, and comes with its own shrapnel guard, which was made by Glagovsky and known as the Daisy Crystal Guard with its patent applied and granted in 1917.