Currently working but hasn’t been tested for time. It may need a service to keep perfect time and is sold as is. The Silveroid case is 50.6mm in diameter. 1923 Hamilton, Grade 992, Model 2, 21J, 16S, lever set, stem wind, double roller, railroad grade, 5 adjusts, double sunken dial, gold screw setting with date serial number 1697298. Dial has the tiniest of cracks at 10, perspex has wear & scratches, case has general wear.