GUBELIN, OVERSIZE SPLIT-SECOND CHRONOGRAPH E. Gubelin, Swiss, case No. 862206. Made in the 1930's. Impressive and very rare, oversize, stainless steel wristwatch with coaxial single button chronograph and split seconds. in Switzerland
Heuer Swiss Military Pochet watch Chronograph Val. 76 for $1,435 for sale from a Private Seller on Chrono24