Addendum: One of my readers, Adam, sent me an eBay listing of an encased escapement from one of these and it is clear that there also is at least one jeweled bearing on which the escapement wheel rotates. It is possible that the dogs mentioned below are not jeweled, but to my eye they still appear to have tips which are not steel. It is most likely that just as in a watch several parts are jeweled.
It is my mission now to find one of these in horrible shape which I can tear apart so we can have more definitive information. I am somewhat considering tearing apart my own Classic 10, but it's probably still in good enough shape I shouldn't.