Identification & information request: Early 20th-century Ome

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Hello everyone,

I recently acquired an interesting vintage Omega clock and would appreciate your expertise in identifying its exact model, caliber, and approximate production year.

It is a dashboard/cockpit clock designed to be flush-mounted using the three outer mounting lugs. The dial features an Omega logo with painted numerals and a small seconds sub-dial at 6 o'clock.

I think:

  • Winding Mechanism: It has no crown or key winding system on the back; it winds by rotating the knurled front bezel.
  • Hand Setting: Timesetting is operated via a small pin-push mechanism on the side of the case while turning the bezel.
  • Case Back: The reverse side has a small circular rotating brass hatch to access and adjust the regulator without removing the movement from the case.
Could anyone help confirm the caliber reference or share any catalog documentation regarding these early bezel-wind automobile/aviation timepieces? Any insights on its historical application would be greatly appreciated.