Rare Ultra-Thin Tank: Omega Brick

Omega Ultra-Thin Tank, Brick Wenger-Case & Piaget cal9P


A special geometric and ultra-thin Omega: 3.5mm and thus a ultra-thin milestone by Omega. Dated to 1958 (serial-number 16'220'XXX) and so the rare Omega cal540 (serviced right now), which is basically the Piaget cal9P, is one of not many and one of the first. The ultra-thin tank-case (25mm X 25mm (33mm incl lugs) X 3.5mm) was made by the Geneva artisans E.Wenger as indicated by the Makers-Mark Key[1].


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