For those interested, Ben Clymer did a fantastic write up on Mr. Cunningham for Hodinkee several years ago. It's worth the time to search for and read the article. [nt]
But apparently the new 5172G design was inspired from Briggs Cunningham's 1463 (one of two known to exist). Obvious difference in the placement of the subdials, but the heritage is there. Photo credit: Hodinkee ...