Zenith Defy El Primero - Chronograph - Steel REF 19.2000.400 / Automatic winding - 31 Jewels Circa 1990 Blue dial Three golden counters Luminescent hands Luminescent applied index Tachymeter scale Date at 04:30 Uni-directional rotating bezel Original Sapphire glass Diameter: 38 mm. (42 mm. with winder) Thickness: 13 mm. Stainless steel back signed Zenith 400 caliber (a in-house Zenith movement) 31 jewels - 36.000 A/h - Power reserve: 45H00 Ostrich brown strap (probably original ?) with Zenith buckle signed (light traces of wear) + Black leather strap (+/- 24 cm. watch incl.) - Not original Very good condition (really minor traces of wear) Fully genuine The watch has been fully serviced by a professional watchmaker in March 2018. It is in perfect working order and will come with six month guarantee. Offered with two straps and a good quality travel box No need to say that it will be packed with care, shipped with track & trace (insured) Offered by a "trusted seller" (please see my feed-back)