The Magical Art of Cartier
Geneva, Nov 19, 1996
"Montre bague Navette", platinum diamond-set keyless ring watch with visible balance Paris, circa 1920
Platinum navette shaped ring with diamond-set bezel, sapphire-set winding-crown, the matted silver dial with Roman numerals and blued steel "spade" hands. Shaped rhodium plated inverted movement, 17 jewels, straight line lever escapement, cut bimetallic balance visible below the dial, Breguet balance spring. Measuring approx. 17 x 10 mm. Cartier Certificate of Authenticity N° 2122.