Andrew Charles Ltd has dated this Silver Keyless Pocket Watch to the 1920s.
The silver case stamped 0.800 together with a Swiss 1882-1934 proof mark and numbered #3852.23. Jewelled split bar movement by Font calibre 3, with jewelled lever escapement and Breguet overcoil hairspring with split bi-metallic balance.
Case Diameter - 51mm, Depth - 19mm.
Andrew Charles Ltd has dated this Silver Keyless Pocket Watch to the 1920s.
You can view the stock and full dealer information on the Andrew Charles Ltd Profile Page