Jaeger-LeCoultre

I am the proud new owner of my first JLC, a gran'sport chronographe and have been looking for more information on the caliber 859 movement. All I have been able to find is reviews of the case, bracelet, and externally visible functionality, but I would lo... 

(Philippe Vandel, movement constructor) Congrats to a wise purchase! (The work of the hammer-lever, the control pawl and the jumper-spring of the column-wheel demonstrated the technical feat accomplished by calibre 829 in order to integrate the chronograp...  

Hi Jaws, Thanks for the info. I also think that the GranSport Chronographs are under-rated. It's on my short list of watches to get. Are there other rectangular chronographs with column wheel? Thanks. enrico t