JLC excels at these ultra thin movements, no? Lovely to see them.
Dean already mentioned it, but I am not sure I have ever seen the cal. 920 marked as a JLC movement. Very interesting. Is there more information on this?
What is also amazing is not only the thinness but also the tiny diameter of these little marvels. The 818 and 849 are really quite small, aren't they? The 818 requires a substantial spacer in what i assume was still not a large watch. The 849 looks a tad small even in a 34mm watch, although JLC does a good job in the design of the caseback to diminish this effect. It is interesting that we often have discussions about fitting the movement to the size of the watch especially in this age of large watches, and I am guilty of this myself, but it seems as if this is not a new phenomenon.
Why do the spacers always seem to be marked "Metal" -- I assume just to distinguish the material from the material used in the watch case?
In any case, this is a great review of JLC's not-so-thin "thin" history. I am suprised often these days by what some of the brands label as "ultra-thin," but I like the trend, nonetheless of increasing production of thin models.
Best,
respo