Hi, Zaf: Yesterday, I picked up what I believe is a Cal. 450 movement that came from a Weems watch. I would love to know what you think about this, and if it dates to around 1940, as I expect. Here are a couple of photos: http://i1131.photobucket.com/albums/m556/David_Askett/s-l1600.jpg http://i1131...

Thanks, Zaf!

Here are a few photos of this watch, in case anyone's interested:

Thanks for your reply, Zaf. I need to pick up a copy of your book! Now, I was just wondering, what other movements could be found in JLC 6Bs besides the cal. 450 and 470? Also, would you happen to know what the difference is between a cal. 450 and 450/1, and the 470 and 470/1?

Thank you, Zaf!

I was just wondering, does anyone know roughly how many non-Weems JLC 6B/159's with the Cal.450 movement were delivered to the Royal Air Force? I've heard there were four or five thousand with the Cal.470 movement but, despite much searching, I've been unable to find a similar number for watches wit...

Hi, everyone: I've just joined this forum, being a new first-time owner of a Jaeger-LeCoultre watch. This is a 6B/159, with MOD dial and cal. 450 movement. Now, I was wondering, is it possible to get an idea of manufacture date for this watch, other than by paying Jaeger-LeCoultre 250 Swiss francs t...