--- Vintage Zenith Bumper Automatic wristwatch, 1957 manufacture --- Stainless steel Case, screw on Back --- Signed Back. Serial number: 9240623 --- Dial with Star logo. Arabic main numerals --- Zenith dome Crown with Star logo --- 20 Jewels Zenith Bumper wind movement. Calibre: 133.8 --- Movement serial number: 4625268 (dating 1957). Very clean movement --- Has a replaced leather strap with Zenith buckle --- Case diameter: 34mm without the crown --- Strap and watch total: 205mm --- Very nice dial, some small spots, very slight mark --- Very nice case condition. Back is also nice, a few thin scratche --- Working perfectly! --- I added all detailed photos to give a better idea about the watch ------------ Will ship by DHL Express, Fast and Safe -------