121. Nivada. A fine stainless steel manual wind calendar chronograph wristwatch Nivada. Beau chronographe bracelet en acier avec date mouvement mécanique Model: Chronoking Aviator Sea Diver Date: Circa 1970 Movement: 17-jewel Cal.234 manual wind Dial: Black, luminous baton hour markers, white outer 1/5th second divisions and tachymetre scale, date aperture at 12, subsidiary dials at 3 and 9 for running seconds and 45 minute recording, white baton hands with luminous inserts, red centre chronograph hand Case: Brushed and polished tonneau form, screw down back, crown flanked by twin pushers, calibrated bi-directional bezel, No.87033 Strap/Bracelet: Brown leather Buckle/Clasp: Steel buckle Signed: Case, dial & movement Size: 38mm