3109. Rado. A stainless steel automatic calendar chronograph wristwatch Reference: 674.0900.4 Date: Circa 1974 Movement: 17-jewel Valjoux Cal.7750 automatic, No.7914 Dial: Silvered, applied black baton hour markers, black outer 1/5th second divisions, raised outer scale, subsidiary dials at 12, 6 and 9 for seconds, 30 minute and 12 hour recording, day and date apertures at 3, black and white pointed baton hands with luminous inserts, red centre chronograph hand Case: Brushed and polished tonneau form, screw down back, crown flanked by twin chronograph pushers, No.2340184 Strap/Bracelet: Associated black rubber Buckle/Clasp: Associated steel buckle Signed: Case, dial & movement Size: 42mm