Antique 12s 1918 Waltham Mechanical Pocket Watch Movement Riverside for ServiceProduct Description Item: Pocket Watch Movement Brand: Waltham Model: 1894 Size: 12s Year: 1918 Movement: Mechanical Jewels: 19 Grade: Riverside Country: USA Gender: Unisex Product Measurements Diameter: 39. 8mm Standardized Size for Pocket Watches: 12s Product Condition Overall Condition: Fair, overall condition Functions: Running, but may be in need of service. This means, it can run unreliably, start or stop and timekeeping is not guaranteed Dial