2: Ref. QPE DF, White gold double-faced perpetual calendar chronograph wristwatch with articulated lugs, moon phases, equation of time, retrograde months, leap-year and 24-hour indication Circa 1993 | QPE DF型號白金雙面萬年曆計時腕錶備月相、時間等式、逆跳月份、閏年及24小時顯示,約1993年製
Franck Muller