ZENITH - a gentleman's El Primero ChronoMaster chronograph wrist watch. Numbered 03 1260 4021. Signed automatic calibre 4021. Black dial with Roman numeral hour markers, subsidiary recorder dial to three, power reserve indicator to six and nine, cut out between nine and eleven revealing escapement. Stainless steel case with exhibition case back, fitted to an unsigned black alligator strap with stainless steel pin buckle. 40mm.