watch Museum number 1972,0903.11 | Producer name BIOG68502 Made by:Paul Ditisheim | Production date 1915 | Production place Made in:Chaux-de-Fonds, La
watch; watch-case Museum number 1958,1201.1198 | Producer name BIOG68502 Made by:Paul Ditisheim | Production date 1930-1940 | Production place Made in:Chaux-de-Fonds, La
watch; watch-chain Museum number 2018,8001.34 | Producer name Made by:Paul DitisheimConnected with:George Stockwell | Production date 1920 | Production place Made in:Switzerland
watch-component Museum number 1998,0102.1 | Producer name BIOG68502 Made by:Paul Ditisheim | Production date 1920-1925 | Production place Case made in:Chaux-de-Fonds, La