Grande Heure Minute Quantieme full set UNWORN - Ref J017530241 Steel case on blue gray crocodile strap with JD steel pin buckle, blue dial decorated with a linear "Côtes de Genève" pattern, date at 6 o'clock, sapphire crystal and caseback, automatic Jaquet Droz 1150P caliber movement, silicon balance wheel and heavy metal oscillating weight. 28,800 vibrations per hour and power reserve of approximately 68 hours. Delivered with box and papers (blank), new condition