![]() Congressman from Minnesota, Charles August Lindbergh. Lindbergh was raised mostly in Little Falls, Minnesota and Washington, D.C., the son of prominent U.S. It is known as one of the most consequential flights in history and ushered in a new era of air transportation between parts of the globe. ![]() Although not the first transatlantic flight, it was the first solo transatlantic flight, the first nonstop transatlantic flight between two major city hubs, and the longest by over 1,900 miles (3,000 km). Louis, was designed and built by the Ryan Airline Company specifically to compete for the Orteig Prize for the first flight between the two cities. On May 20–21, 1927, Lindbergh made the first nonstop flight from New York City to Paris, a distance of 3,600 miles (5,800 km), flying alone for 33.5 hours. The serial number can be found either on the case, the case back, or the movement.Charles Augustus Lindbergh (Febru– August 26, 1974) was an American aviator, military officer, author, inventor, and activist. The Illinois Watch Company was purchased by Hamilton Watch Company in 1927, but continued to produce Illinois watches under Hamilton management until 1932 (the year the last "true" Illinois watch was made). serial numberĪDDITIONAL HAMILTON SERIAL REFERENCES Grade Serial Number Date Grade 4992B with"4C" preceding the serial number. ![]() Grade 950B with the letter "S" preceding the serial number. Grade 950B with"2B" preceding the serial number. ![]() Grade 992B with letter "C" preceding the serial number. Please keep in mind that this table is in a ‘draft’ form and may change. This table is for the 405 and 425 based calibers and is a guide for determining the approximate date of manufacture of a movement. ![]() Serial Number to Date Table for Gruen 405, 410, 420 & 425 caliber families So if your Elgin watch has a serial number starting with a letter, you must determine the millions digits from the table below in order to determine the full serial number. In the 1930s, Elgin began using a single-letter prefix to replace the "millions" digits on their serial numbers. ![]()
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