Quote Originally Posted by Mirius View Post
15 jewels and 3 adjustments speaks to me of a later ladies wristwatch, perhaps post Heuer (I never can keep in mind the dates for the US Customs changes). There may be one redeeming factor, or it might just be a crack/ flaw - is it centre seconds?
If the movement says "Rose Watch Co" (which is the name of the purchaser, not the manufacturer) then it's after 1922. The adjustments (on a 15j watch) had no bearing on the tariff until 1930.