Ithink that in the list of historic JLC movment there is a minute repeater thinner than 4mm. obviously grande tratidion combine high complications but the choice of the thickness of the case may also be a design choice, possibly. I would like to see JLC doing just that: very simple dials (grand feu
I wonder? well done for the ceramic case: I loved the one of Amvox 3. I like this one very much too. the finish obtained on this material is simply perfect.