Is this movement likely an unmarked Longines 'Express Monarch'?

Here is a second picture of the same movement.

This is a private label watch sold and serviced by the Bichsel Brothers, Sedalia, MO. It seems a little far south for an American jeweler to handle what we normally think of as a popular Canadian watch. It is an excellent timekeeper! Tom, (or anybody) I'm hoping you can shed a little light on the Bichsel Brothers.

Sure is a beauty Mike. And they are still in business Bichsel Jewelery

And in the 1889 business directory here? [URL=Bichsel George, jeweler, 226 Ohio[/URL]

Thought it looked familiar
https://ihc185.infopop.cc/eve/f...=924107833#924107833

Thankyou Ray! I'm afflicted with CRS disease.