This 1940s Zenith pilot-style waterproof chronograph is a remarkable example, preserved in outstanding condition. Housed in a robust stainless steel case, it remains fully functional and retains its original character, offering collectors a rare opportunity to own a historically significant and mechanically sound Zenith chronograph. This chronograph has a 37mm stainless steel case with a screw-in back and round chronograph pushers, ensuring a certain degree of water resistance—a critical attribute for sports chronographs of that era. The case is in an excellent untouched condition, it shows only light traces of use. This chronograph mounts a Plexiglass crystal, in excellent condition. The original silvered dial with arabic numerals and two counters is in a remarkable well-preserved condition, with no patina and no discoloration.

This chrono is powered by Zenith Caliber 143-6, a manual-winding chronograph movement developed in the early 1940s, based on the Excelsior Park Caliber 4. Excelsior Park, established in 1866, was renowned for producing high-quality chronograph movements, also supplying brands like Gallet and Girard-Perregaux. The collaboration between Zenith and Excelsior Park led to the integration of the Caliber 4 into Zenith’s timepieces, rebranded as the Caliber 143-6. This movement has a column-wheel mechanism, a hallmark of superior chronograph design, ensuring precise and reliable operation of the chronograph functions. Its robust construction and dependable performance made it a preferred choice for military chronographs, like the Yugoslavian Air Force in the 1950s which adopted this same model but with a black dial Timepieces housing the Caliber 143-6 are now highly regarded by collectors for their exemplary craftsmanship. The watch is fitted with a new leather strap.

Recently serviced in-house, this chronograph is in good working order. It is delivered with a six- month guarantee and an originality certificate. In this excellent untouched condition, this Zenith chronograph is a significant piece of horological history, appealing to collectors and enthusiasts alike. For inquiries or to acquire this timepiece, please contact us. We offer worldwide insured express shipping.