VERTEX Tonneau

VERTEX Tonneau watch. Serial No. 9654XX. United Kingdom, 1940's. 9k gold.
Curved tonneau-shaped case in 9k yellow gold, contrasted with British hallmark and serial number engraved inside the caseback. Silver dial with Arabic numerals applied in gold and small seconds off-center at 6 o'clock. Gold-plated bason-type hands. Hand-wound mechanical movement signed "Vertex Co. Ltd. - 15 Jewels - Swiss Made" with visible balance wheel. Pressed case back. Black leather strap with lizard texture and golden buckle, not original.
Measurements: 22 mm (width without crown); 36 x 23 mm (case with lugs and crown).

This wristwatch from the British firm Vertex, produced in the 1940s, exemplifies the refined style of late art deco. Its curved tonneau design, 9-carat solid gold case and small seconds hand make this piece a perfect combination of functionality and classic aesthetics. Vertex was a prominent brand in British watchmaking in the twentieth century, known for its quality and precision, especially during and after the Second World War.