50s vintage watch mens Omega ref. 2640 -6 SC hand wind cal 283 gold cap serviced

Case:
o  Gold capped with back in stainless steel ref 2640-6 SC, some marks all over
o  Fine condition with strong geometry
o  35mm without crown / 42.5mm lug to lug / 11mm thickness / 18mm lug width
o  Generic crown (not original)
o  New generic crystal

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

Dial & Hands:
    o Untouched dial with 3D numbers

Bracelet Material: 
  o New 18mm croco brown leather with generic golden buckle
 
Conclusion / Condition: 
From 1952 this elegant example of Omega, working strong

please see photos as they are part of the description.
No box or papers, 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