Details
INTERNATIONAL WATCH CO. SCHAFFHAUSEN. A MODERN STEEL QUARTZ AND MECHANICAL CALENDAR CHRONOGRAPH WRISTWATCH
The circular case with screw down winder, the black dial with white Arabic numerals, outer seconds ring, subsidiary dials for running seconds, elapsed minutes and hours, date aperture, sweep centre seconds operated by two round buttons in the band, screwed back with maker's mark, inscribed der fliegerchronograph, No.2540987, with original black leather strap and steel buckle
36mm. diam.
The circular case with screw down winder, the black dial with white Arabic numerals, outer seconds ring, subsidiary dials for running seconds, elapsed minutes and hours, date aperture, sweep centre seconds operated by two round buttons in the band, screwed back with maker's mark, inscribed der fliegerchronograph, No.2540987, with original black leather strap and steel buckle
36mm. diam.