Zenith. A stainless steel automatic calendar chronograph bracelet watch
Zenith. A stainless steel automatic calendar chronograph bracelet watch, Model: El Primero 'De Luca', Reference: 01.0040.400, Date: Circa 1989, Movement: 31-jewel Cal.400Z automatic, No.163791, Dial: Black, luminous baton hour markers, silvered outer 1/5th second divisions, outer tachymetre scale, silvered subsidiary dials at 3, 6 and 9, for seconds, 30 minute and 12 hour recording, date aperture between 4 and 5, polished pointed baton hands with luminous inserts, centre chronograph hand, Case: Polished round, screw down back, crown flanked by twin chronograph pushers, uni-directional rotating bezel with black calibrated insert, Strap/Bracelet: Brushed and polished link, Buckle/Clasp: Signed folding clasp, Signed: Case, dial & movement, Size: 40mm, Accompaniments: Zenith box, outer card, undated guarantee, service receipt dated 2003, instructions for use