Swiss 18K yellow gold keyless lever pocket watch Circa 1935

Gold case with engraved monogram
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A Swiss 18 carat yellow gold open faced keyless pocket watch made by Gustave LeCoultre in Geneva, circa 1935. A gilded brass cuvette, case back is polished and engraved with a monogram F M. The case is made by Guillod Gunther S.A., La Chaux-de-Fonds. Silver colour metallic dial, with suspended Breguet numerals, outer minute track, subsidiary dial at 6 and blued steel Breguet hands. A rhodium plated movement, going barrel, gold screwed chaton on the central wheel, straight line lever escapement, cut bimetallic compensated balance with poising screws and blued steel hairspring with terminal curve, polished steel index regulator with swanneck spring and micrometric screw. Signature on the dial.
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Diameter: 49 mm
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Weight: 61 g
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Signed: Gustave LeCoultre, Geneva
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Accompanied by the original fitted box.
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Gustave LeCoultre (who often signed his name as Gustave Le Coultre) worked for Marius LeCoultre, a highly respected independent Swiss watchmaking firm based in Geneva.

While it is easy to confuse him with the larger and more famous family company LeCoultre & Cie (which later became Jaeger-LeCoultre), Gustave belonged to the distinct Geneva based branch of the family enterprise.

Key Details About His Work:

– The Company: Marius LeCoultre was established in Geneva in 1848. It specialized

   in premium, highly complicated timepieces and pocket watches rather than mass

   movement manufacturing.

– His Contributions: Gustave LeCoultre was an exceptionally skilled watchmaker

   and inventor. He is well-known in horological history for securing

   Swiss Patent No. 117191 in 1925 for advanced watch mechanisms while operating

   out of the firm’s historic address at Rue du Mont-Blanc 20 in Geneva.