Multiple choice general knowledge The wristwatch was invented by Louis Cartier in 1936 1904 1987 1911 Reveal answer Fill a bubble to check yourself B Correct answer Explanation Louis Cartier invented the first modern wristwatch in 1904 for his friend, Brazilian aviator Alberto Santos-Dumont. Santos-Dumont needed a timepiece that would allow him to check time while keeping both hands on aircraft controls during flights.