On 7 October 1927 the young swimmer Mercedes Gleitz swims through the English Channel in 15 hours and 15 minutes wearing a Rolex “Oyster”, which shows the exact time afterwards.
On 20 December 1927 the Soviet government decides to found an own Soviet watches production. (See Amtorg.)
The American aviation pioneer Charles A. Lindbergh crosses the Atlantic for the first time with a single plane ( “Spirit of St. Louis”) from New York to Paris. Named according to him and manufactured after his concept the hour angle watchLongines Lindbergh is made.