Vintage Longines Art Deco Tank, Black Gilt dial, Swiss Made Cal. 2517 from 1938Longines tank watch from the late 1930s with such a strong Art Deco presence is a rare opportunity. But one with a deep black dial, luminous style painted numerals, and matching cathedral hands in original condition is an exceptional find. This striking rectangular piece from 1938 is powered by Longines' manually wound Cal. 2517, housed in a slim Staybrite steel case. The proportionstall and elegantcapture the streamlined design sensibility of the Art