A FINE GENTLEMAN'S 18K SOLID PINK GOLD ZENITH EL PRIMERO CHRONOMASTER XXT OPEN CHRONOGRAPH WRISTWATCH CIRCA 2008, REF. 18.1260.4021/01.C505 D: Silver guilloche dial with pink gold Roman numerals, 30 minute totaliser, power reserve indicator, visible escapement, tachymetre scale. M: 39 jewel automatic movement with 22k solid gold rotor, signed Zenith El Primero, numbered, calibre 4021. C: Large circular stepped case with exhibition back, signed Zenith ChronoMaster, hallmarked, original crown & pushers, case diameter measures approx. 45mm. S: Brown leather strap.