WALTHAM POCKET WATCH Serial number: 3300751. Gold-plated metal case. White dial with Roman numeral hour markers. Hand-wound mechanical movement, no. 20154381. Plexiglass crystal. Circa 1900. Diameter: 27 mm. Gross weight: 16.6 g. A gold-plated pocket watch with a mechanical movement, by Waltham. Circa 1900. Disclaimer: Sold as is, with signs of wear and use. The chain link is missing. The movement was non-functional at the time of writing this description; a routine service is recommended, with no guarantee.