Dr No[Moderator Omega - Wristscan]
37543
Yes . . .
. . . and it goes something . . .
[image courtesy winddown]
. . . like this ref 1543 from the '40s, or, better yet, one of the black-dialed ref 1578s produced for General Motors in the '50s.
Perhaps there's a cache of cal 12-400 movements in the attic ;-) . . .