Jacques LENFANT for Atelier Georges LENFANT, 1960s - Lot 132

Jacques LENFANT for Atelier Georges LENFANT, 1960s Rare "Châtaigne" secret bag watch in partially textured yellow gold 750‰ enameled brown. Fitted with a hinge and embellished with an ingenious system, it opens into a round deployant case with clipped back (14mm), with silvered dial with Arabic numerals and gold baton hour markers, hand-wound mechanical movement. French work, diamond hallmark of Atelier Georges LENFANT. Dimensions: 3x2.7x1.7cm. P. Gross weight: 39.4 g. Demonstrating the inventiveness and dynamism of the Atelier Georges Lenfant, these ingenious little "Noix" and "Châtaigne" watches are very rare on the market. The system of these amusing watches was patented under the name "Montre à boîtier ouvrant" by Société Georges LENFANT on November 4, 1963 (application on October 30, 1962) with the Industrial Property Department of the French Ministry of Industry (n°1.345.713).