A rare double-faced 18-carat gold watch signed by François Girard in Carouge. On one side, hours and minutes; on the other, date and days of the week. The months are indicated in the blue ring. Chain-and-spindle movement. White enamel dial in need of restoration. A similar model is reproduced in *Mesure du temps et de l’espace*, Bibliothèque des Arts, Paris, 1970, p. 113. Diameter: 5 cm, gross weight: 92 g