40s vintage watch mens Omega ref 2537-9 hand wind cal 283

Case:
o  All in stainless steel with some marks ref 2537-9
o  Fine condition with strong geometry
o  35mm without crown / 42.5mm lug to lug  / 11mm thickness / 18mm lug width
o  Plexiglass in good condition
o  Original omega crown

Movement:
o  Mechanical manual wind omega cal 283 - serviced by watchmaker (2025)
(movement was disassembled, washed, lubricated)

Dial and Hands:
    o  It has not been touched, with evident signs of aging that give it a total charm.

Bracelet: 
  o  New 18mm white and cream leather matching with dial tones, generic chromed buckle

Conclusion / Condition: 
A rare reference from 1947 in good condition…

please see photos as they are part of the description.
No box or pappers, no water proof test, sold as is, any question feel free for ask...
Keep in mind that it is a vintage watch, it is normal to be 1/2 minute early or late
wrist-treasure