Zenith "Chronograph Automatic El Primero", Ref. 02.2310.400, Cal. 400, 40 mm, circa 1990

A gentlemans's almost as new automatic wristwatch with chronograph and date - model "De Luca" - a diver's watch in limited edition of 1325 pieces
Case : steel, screw back, turnable bezel, screwed crown and chronograph pushers. Dial : black, luminous indexes, three white subsidiary dials for auxiliary seconds, 30 min. and 12h counter, outer tachy scale, window for date, luminous Mercedes hands. Movm.: rotorwind movement, rhodium-plated, ground, signed, 31 jewels, finely ground chronograph steel parts, ratchet wheel, Glucydur balance, shock protection for balance.