Working and was tested over an 18 hour & gained between 1 & 2 minutes. It will need a service or repair to keep perfect time. The 14ct superb decorative gold case is 39.3mm in diameter and weighs approx 51.7 grams. 1908 Waltham, Model 1890, 15J, 6S, stem set, stem wind with date serial number 16601195. Nice Montgomery dial.