Leon Hatot was a pioneer in the watch making industry. Learning from some of the titans in the industry, he took this knowledge and went out on is own in the early 1900’s. Some of his designer and mechanical achievements stunned the watch world. He became recognized and sought after by many other companies for his knowledge and movements. His business closed in the 1930’s and all put into storage and forgotten. Decades later the vaults were discovered and the inventoried sold in Geneva. This platinum prototype watch has never been worn, the original leather band intact and the original paper tag remaining its reverse. The movement by LeCoultre and signed ATO, case no. 25734-- 19mm. wide, 1929. St. no. 25734/85826.