TY - BOOK AU - Droz,Yves ED - Association Française des Amateurs d'Horlogerie Ancienne. TI - Leroy No 01: la montre la plus compliquée du monde PY - 1986/// CY - Besançon PB - Palais Granvelle KW - Pocket watches KW - France KW - History KW - Pocket Watch KW - LeRoy KW - Complication(s) F-Comtoise " watch KW - Flores, Joseph N2 - Only the most sophisticated of watch lovers know of the existence of the "Leroy 01", a French mechanical watch, signed Leroy, which remained for nearly ninety years (1901-1989) the "most complicated watch of the world. This magnificent pocket watch, the pride of the French mechanical tradition, offers no less than twenty-five major associated complications, from the simple display of the time to the reading of the barometer ... Made at the beginning of the century for a very wealthy Portuguese enthusiast, this "Leroy 01" returned to France in 1955 thanks to a national subscription from numerous institutions ER -