ZENITH gents wristwatch with chronograph calibre El Primero 400, Switzerland around 1990, self winding, gold plated case with coin-edge band on both sides glazed, original winding crown & leather strap with original buckle, gilded dial with Arabic numerals, black hands, rhodium plated movement calibre 400, 31 jewels, precision adjustment, diameter approx. 37 mm, condition 1