Source: Images and content by A Collected Man @ ACollectedMan.com. See the original article here - https://www.acollectedman.com/collections/jaeger-lecoultre-collectables
http://cdn.shopify.com/s/files/1/0606/5325/collections/4._Jaeger-LeCoultre.jpg?v=1629105638Evolutions in watchmaking are rarely quick or abrupt. Things evolve gradually, shifting from one state to another over an extended period of time. Because of this, it’s sometimes possible to pinpoint watches that are arguably transitional in nature, marking those changes, in a subtle, but noticeable way.