====== 1937 ====== * The [[Geneva]] watch maker Louis Cottier designes for [[Patek Philippe]] the first wristwatches "heure universelle". From the dial of these [[world timer]]s the time can be read in all 24 time zones of the earth at the same time. * [[Jaeger, Edmond|Edmond Jaeger]]'s [[Jaeger]] and [[LeCoultre]] merge to become [[Jaeger-LeCoultre]]. That same year, [[Vacheron Constantin]] swaps shares with the new company and joins [[SAPIC]]. <- [[1936]] | [[1938]] -> {{tag>Year}}