. . . and one of the larger references at that, a 2544 that comes in at 39 mm. Only one with an original dial has been posted here before, some six years ago . . .
. . . by Erich [log-in: mac_omega].
Jumbos are worth collecting; not many were produced to begin with, with several references being so obscure they're difficult to research.
Hats off to 125, blomman, and Abel!
Art