BREGUET, Paris, 2 rue Edouard VII Yellow gold (750) gousset watch forming a multi-scale, 19-line tachymeter racing chronograph. White enamel dial, polychrome hour-markers with Arabic numerals for hours and minutes, measurement scales for seconds and divisions, blue scale for Kilometers per hour, and two subdials at 12 and 6 o'clock. Hand-wound mechanical movement, anchor escapement, compensating balance, ruby holes and lugs. Plate numbered 51032. Yellow gold (750) dust cover signed and numbered 3055, reverse side numbered 50080. Lid engraved F.D, for Ferdinand DURAND, and numbered 50080. Winding mechanism at 12 o'clock. Gross weight: 89.8 g. - Diameter: 50 mm. In the Maison's case, with the same number (3055). A few scratches from use; case rubbed. Overhauled and chronograph hand replaced in the Maison Breguet workshops at the end of 2023. Manufactured in 1917 and sold on August 26, 1918 to Monsieur DURAND, grandfather of the seller, for 900 francs. We thank Maison Breguet for the information provided on this watch.