A FINE GENTLEMAN'S STAINLESS STEEL ZENITH EL PRIMERO CHRONOMASTER TRIPLE CALENDAR MOONPHASE CHRONOGRAPH BRACELET WATCH CIRCA 2000, REF. 02.0240.410 D: Black dial with raised silver Roman numerals, triple register recording hours, minutes & continuous seconds, moonphase display, month, day & date apertures, tachymetre scale. M: 31 jewel automatic chronometer movement, signed Zenith ChronoMaster & numbered, calibre 410. C: Circular stepped case with exhibition back, signed Zenith Chronomaster, original crown & pushers, case diameter measures approx. 40mm. B: Original Zenith bracelet.