Tissot Vintage Swiss Watch, Early Waterproof model, Cal. 27 from 1941This early 1940s Tissot Antimagnetique belongs to the 31mm waterproof series. With its hermetic case, this watch was built to withstand daily wear while maintaining a sleek and practical design. Powered by the Caliber 27 manual wind movement, it delivers reliable performance in a compact 31mm case with a 36mm lug to lug measurement. The dial has developed a beautiful natural patina, giving it a unique character that tells its own story. The bold