This is a very rare Waltham Tonneau Case Watch from the Royalty Series. It features a 12-hour dial with Arabic numerals and a two-piece leather strap. The case is made of 10K RGP and has a polished finish. The watch has a snap caseback and a mechanical (manual) movement. The watch is vintage and was manufactured between 1920-1929 in the United States. It has a classic style with a gold case color and a multicolor dial color. The watch is suitable for unisex adults and has a case size of 38MM by 30MM. This watch is a perfect addition to any watch collection and is a must-have for vintage watch enthusiasts. THANK YOU FOR LOOKING.GOOD LUCK.