The watch bears designation "Chronometer" by authority of individual Bulletins of accuracy from the Official Watch Testing Bureaus of the Swiss Government. Tested in 5 positions and 3 temperatures. Is rated "Especially Good Results" 18K gold case. Modern dial with faceted 18K gold markers adds to handsome appearance of this waterproof watch. Sweep second hand. #6749 Chronometer
Longines 1957 Catalog Of Luxury Watches. Catalog content provided by Olivier Odelin.