Currently working and was tested over a 24 hour period and gained 30 seconds to 1 minute. It will need a service or repair to keep absolute perfect time. The 10k gold filled case is 49.4mm in diameter. 1925 Waltham, Grade Vanguard, Model 1908, 23J, 16S, lever set, stem wind, 6 adjustments, railroad grade with date serial number 28740481. Dial has cracks and a small loss to the edge, nice case, the case back is engraved with a name Anthony A Malattie.