ZENITH - a gentleman's El Primero chronograph wrist watch. Numbered 02 0240 410. Signed automatic calibre 410Z. Silvered dial with Roman numeral hour markers, subsidiary recorder dials to three, six and nine, day and month apertures to two and ten, moon-phase indicator to six, date aperture set between four and five. Stainless steel case with inspection plate to rear, fitted to an authentic black alligator strap with stainless steel double folding clasp. 40mm.