ZENITH The First. Ref : 02.0500.400. see ZENITH El Primero. Ref: 02.0500.400. Circa: 2010. Steel bracelet watch. Round case with clipped bottom. Branded crown. Black dial signed Zenith El Primero Automatic. Applied luminescent baton indexes and white Arabic numerals. White and luminescent skeleton style hands. White baton central second hand. Three sub-counters indicating the seconds, minutes and hours of the chronograph. Date window located between 4 and 5 o'clock. Tachymeter scale. Waterproof up to 100m. Caseback signed and glazed revealing the movement. Mechanical movement with automatic winding 31 jewels signed caliber 400Z El Primero. Black leather strap with signed pin buckle. The watch is also accompanied by an additional steel bracelet signed Zenith as well as additional links and pumps. Diameter: 37.5mm. Length: 18cm.