Got this circa 1962 per 19M serial in a trade and haven't bonded Dial is original, some slight aging, crystal was an earlier replacement 14k gold filled case hasn't been polished so shows some marks however remains crisp Cal 510 was serviced by previous owner, checked today by my watchmaker who confirmed its clean as a whistle Crown is original, winds smoothly and has approximately 40 hour power reserve $325 300 275 250 includes PP fees and USPS Priority with tracking, 2-3 days in CONUS or 6-10 days ROW