1951 Omega Ref.2505-15 Jumbo

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Extremely attractive vintage dress watch by Omega from ca. 1951. It is powered with a bullet-proof Cal.265 - a successor of the famous cal.30 family which actually made Omega famous. This particular piece is notable for a beautiful silver coloured dial and shiny oversize 38 mm case. 

Professionally serviced in March 2017. Technical warranty: 1 year.


  • Stainless steel 3-body case with snap-on case back. Satin and high-polished finishing.
  • Professionally polished. Showing no traces of use.
  • 38 mm (without crown) / 46 mm (lug-to-lug) / 18 mm (between lugs)
  • Genuine vintage Omega "mushroom" crown. Replaced in the past, it is the older type (pre-1950s)
  • Service plexiglass crystal


    • Manual-winding with small seconds hand
    • Cal.265 signed ‘Omega’.17 jewels, 18000 A/h and 43 hours of power-reserve. Antimagnetic. Incabloc shock protection. 
    • Serial number: 12667125
    • Professionally serviced in March 2017.


    • Untouched original dial in great condition. Showing minor ageing on the outer perimeter at 3 and 7 o'clock. Small dent between the logo and 11 o'clock hour marker.
    • Raised silver Arabic numerals and printed hour markers.
    • Signed "Omega" at 12 o'clock. Signed "Swiss Made" at 6 o'clock.
    • Original blue steel hands in outstanding condition.

    Delivery set:

    • The watch with high-quality leather strap
    • Suede leather watch travel case
    • Our company’s warranty certificate, invoice and general terms and conditions.

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