Zenith Defy, the "Safe of Time" (so defined at the time), is an automatic watch produced in the 1970s, with impressive strength and impermeability for the time, so much so that it is declared waterproof up to 300m. It has a total steel case with screw back, a screw ring, a star logo screw-down crown as pics and high-strength mineral glass. Dimensions (37mm) and weight are extraordinary for the time. " Crem Caramel " dial in good condition as pics.This specimen mounts the valuable manufacturing movement Zenith mechanical with automatic winding 2552 PC , which was the first Zenith automatic movement which guarantees greater precision. Just been complete serviced in our laboratory . Number case visible. Original crown Zenith signed star logo. Zenith original stainless steel band Gay Freres clasp signed 4-71 n.12 links,have fix ends,total length cm 17. No box no warranty.