1950s steel automatic vintage Zenith ‘Bumper’ watch (3960)
A round steel automatic vintage Zenith ‘Bumper’ watch. The case measures 35mm in diameter. The case is signed Zenith, Swiss Made, Acier Inoxydable (stainless steel). The automatic 133.8 calibre movement is signed Zenith, with 20 jewels and numbered (dating to 1959). The dial has raised silver baton hour indicators, with chrome hands and centre sweep seconds. The dial is signed Zenith Automatic above the centre.
A lovely example of an early automatic Zenith watch, in very good condition!
The 133.8 calibre movement, along with the 133, was the first automatic movement from Zenith. The fine quality movement, with 20 jewels was produced from 1951.