Zenith. A stainless steel automatic calendar chronograph bracelet watch El Primero Surf, Ref:01-0200-415, Circa 1975
31-jewel Cal.3019 automatic movement with column wheel chronograph, brushed blue dial with white 1/5th second divisions, raised outer 500 to 65 tachymeter scale with applied polished faceted quarters, polished faceted baton hands with luminous inserts and white centre chronograph hand, subsidiary dials at 3, 6 and 9 for running seconds, 30 minute and 12 hour recording, date aperture at 4, brushed and polished square case with screw down back, signed crown flanked by pivoting rectangular pusher, fitted link bracelet with signed folding clasp, together with fitted Zenith box , case, dial and movement signed 40mm.
