====== 1931 ======

<WRAP year>
  * The first [[Jaeger-LeCoultre Reverso|LeCoultre Reverso]] watches are produced.
  * [[Genta, Gérald Charles|Gérald Charles Genta]] is born on 1 May 1931 in [[Geneva]].
  * The first [[BaselWorld|Swiss Watch Fair]] in Basel opens April 11, with 32 companies exhibiting.
  * [[Rolex]] introduces watches with [[automatic]] winding (called "perpetual").
  * The [[Citizen]] wristwatch brand is launched in June.
  * On August 14, [[ASUAG]] is formed by [[Ebauches SA]] as a federation of Swiss watch companies.
<- [[1930]] | [[1932]] ->
</WRAP>


{{tag>Year}}