Help identifying vintage Omega dress watch - rose gold, sector dial, “Fab. Suisse” Help identifying vintage Omega dress watch - rose gold, sector dia

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Hi everyone,


I’m looking for help identifying the exact reference or a closely related model of this vintage Omega dress watch, likely from the late 1940s or early 1950s.


🕰️ Here are the details I’ve observed:​


  • 18k rose gold case, approx. 35mm
  • Beautiful sector dial with two-tone finish and railroad minute track
  • Small seconds subdial at 6 o’clock
  • Dauphine hands
  • Dial signed “OMEGA - FAB. SUISSE” under the logo
  • Very thin, straight lugs, typical of the 1940s–50s design

I’ve attached several high-quality photos for reference.


I’d love to know:


  • The exact reference number (could it be Ref. 2639? 2325? 2400?)
  • The likely caliber (maybe 30T2, 265, or 266?)
  • Any historical context or production period information

Thanks a lot in advance for any insight or direction - your help would be truly appreciated!


Best regards,
Rémi
 
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So just to clarify, you are specifically looking for those unusual inverted wedge lugs?
 
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Cant Leonardo give you these answers?
 
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The inscription "Fab. Suisse" makes me guess its likely a case of local French production

We would need photos of the innards (movement, inner side of case back) to assess...
 
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OP might find this a helpful comparator.

Case made in France (probably) by Paul Franck et Fils c.1948. Case bears eagle hallmark for French 18kt. The movement is Cal 360, described as "extra-plat".