3059. Tissot. A stainless steel automatic calendar chronograph bracelet watch Model: Navigator Reference: 45.500 Date: Circa 1970 Movement: 17-jewel Cal.2160 automatic, No.17283620 Dial: Silvered, luminous baton hour markers, black outer 1/5th second divisions, raised outer tachymetre scale, subsidiary dial at 9 for seconds, date aperture at 3, black baton hands with luminous inserts, orange centre chronograph hand, further arrow tipped hand for minute recording Case: Brushed and polished tonneau form, screw down back, crown flanked by twin chronograph pushers Strap/Bracelet: Brushed 743031 Tissot link Buckle/Clasp: Signed folding clasp Signed: Case, dial & movement Size: 41mm