Beautiful men's wrist chronograph Delbana from the 50s in fantastic NOS condition. The watch's construction is built on a robust foundation that combines the aesthetic elegance of gold-plated elements (10G) with the high practical durability of steel components. Symmetrical dial in "Bi-compax" design. The dial has a satin silver to ivory base with a fine radial cut. Manual Landeron 258 movement with 17 jewels with final finishing and regulation directly in the Delbana workshops in Grenchen. The watch is in its original period condition and fully original including the marked crown. The watch is fully functional and truly exceptionally beautiful and must-have. A perfect collector's item. The Delbana brand was founded in 1931 by the visionary watchmaker Goliardo Della Balda in the Swiss city of Grenchen, which was and still is one of the main centers of the Swiss watch industry.