1930s Longines Cal.15.26 37.5mm Big Calatrava Rare Yellow Breguet Indexes

Longines, Cal. 15.26, 37.5 mm, big calatrava, rare yellow 24-hour dial dial with Breguet indexes, circa 1930s. It is equipped with a large movement Cal.15.26, which was also used in the Czech military model. The 37mm oversized movement and the massive feeling of the old case, which is different from the big Calatrava case of later years, and the very rare yellow dial, with the popular Breguet indexes and large blued steel leaf hands has an overall attractve overwhelming presence.? The Calatrava case with the Cal.15 line is available in silver, black and porcelain dials, but this is the first time we are offering a yellow dial. The unique color and texture is different from the lemon color of later years, and the thick print of the logo and indexes give it a unique taste of this era.