This product is a rare 1920's antique Tramway O'Dusonchet white dial pocket watch, Swiss made with a 50mm silver stainless steel case. It features a mechanical manual movement with 15 jewels, open face closure, and a 12-hour dial. This vintage timepiece exudes a classic and elegant style, perfect for dress/formal occasions. Made in Switzerland, it is a unique and collectible piece for watch enthusiasts and collectors alike.