Working and was tested over a 16 hour period and gained approx 30 seconds. It will need a service to keep absolute perfect time and is sold as is. The 14k gold filled case is 49.5mm in diameter. 1912 Hampden, Grade William McKinley, Model 4, 16S, 21J, lever set, stem wind, double sunken dial, double roller with date serial number 3028316. Dial has the tiniest of cracks at 8, a few small dull dents to case back. the stem bow that some plate loss.