Working and was tested over a 20 hour period and gained between 1 & 2 minutes. It will need a service to keep perfect time. The 14k gold case is 45.6mm in diameter & weighs approx 70.5 grams. 1915 Waltham, Grade Riverside, Model 1894, 19J, 12S, stem set, stem wind with date serial number 20005311. Inner case back is engraved, glass has a tiny chip and small scratches between 12 & 1, case back has some scratches.