1924
- For his invention of the automatic wristwatch (Harwood Perpetual) John Harwood receives a patent of the Federal Office for Intellectual Property of the Swiss Confederation at Berne on 1 September 1924.
- In Germany, the ban on imports of Swiss watches is suspended.
- K. Hattori & Co. launches the Seiko wristwatch brand in Japan.
- The first Citizen pocket watch is built in December.