This vintage Eterna tank—style rectangular steel wristwatch exemplifies the best of the 1930`s Art Deco design. Founded in 1856 in Grenchen, Switzerland, Eterna was instrumental in advancing watchmaking technology, including the development of the first mass-produced alarm wristwatch in 1914 and the introduction of the Eterna-Matic movement in 1948, which mounted an innovative ball-bearing mounted rotor system. This watch has a stainless steel case measuring 20mm in width, without counting the crown, and 36.4mm in length, including the distinctive canapé-style lugs. The case is well-preserved, showing only light signs of wear consistent with its age. The caseback fits securely and bears the correct serial numbers. The mineral glass crystal in an excellent condition free from scratches.

The original two-tone copper-tone dial has a characteristic Art Deco design, with stylized numerals and a subsidiary seconds dial. The dial shows only a very light and uniform patina, indicating careful preservation over the decades. Powering the watch is the Eterna caliber 401, a manual-winding rectangular movement known for its reliability and precision. This watch has been serviced in-house and is in good working order The watch is fitted with an original vintage ZRC stretch steel bracelet, complementing its period- correct aesthetic. The bracelet is in good condition, maintaining its elasticity and shine.

This watch will be delivered with a six-month guarantee and an originality certificate. Collectors seeking a timepiece with quality and design excellence will appreciate this watch. Worldwide shipping is available, and inquiries for additional information or to arrange a viewing are welcome.