1953 Omega Ref.2639 Radium Dial

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Beautiful classics by Omega - the time only reference 2639 boasting with bullet-proof yet elegant 2-piece stainless steel case with screw-back, robust cal.266 and amazingly clean creamy-white dial. The perfect watch to enter the world of vintage Omega collecting offering a lot of character for a reasonable amount of money.

All original. Comes with Omega buckle. Running perfectly. Technical warranty: 1 year.


  • 2-piece all stainless steel case with screw-down case back. High-polished finishing.
  • Good condition, showing various traces of wear and use: scratches and notches. Polished in the past.
  • 35.5 mm (without crown) / 43 mm (lug-to-lug) / 18 mm (between lugs)
  • Original signed crown
  • Service plexiglass crystal


    • Manual-winding with small seconds
    • Caliber 266
    • 17 Jewels, 18000 A/h, 45 hours of power reserve, Shock-protected, antimagnetic.
    • Service history is unknown, however, the watch shows strong results: 220 deg. of amplitude, -10 seconds a day, 2 ms of beat error.


    • Original and correct untouched dial in outstanding condition. Ageing and degradation of some lume plots. Small blemish at 12 o'clock at the outer perimeter of the dial.
    • Signed "Omega" at 12 o’clock. Signed "Swiss Made" at 6 o’clock. Raised golden hour markers with plots of radium lume.
    • Original hands in outstanding condition. Original radium lume.
    • Luminous material is radium. Original and untouched. Showing up to 15 uSv/h dial up.

    Delivery set:

    • Brand new leather strap and steel Omega buckle.
    • Suede leather watch travel case
    • Our company’s warranty certificate, invoice and general terms and conditions.

    Collections: Archive

    Category: Omega

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    Sizing Product

    Measuring a watch

    It is always crucial to understand the size of the watch, especially when it comes to vintage watches which are generally considered as too small in comparison with what watch industry offers today. For example, the original Patek Philippe Calatrava introduced in the 1930s was only 31 mm in diameter, while today's classic Calatrava is 39 mm. When you think about 8 mm, it doesn't seem to be a big difference, but believe it is.

    In our condition reports we normally disclose three most important parameters as follows: diameter without crown / lug-to-lug length / lug width. 

    Diameter without crown

    It is, so far, the most important measurement to understand the size of a regular round-shaped watch.It helps you to understand proportions and overall look of the watch. It is important to consider width of the bezel and color of the dial, because certain combinations may make the watch look bigger, while some other smaller. It is all very individual, however there is common understanding:

    Lug-to-lug width

    This parameter will help you to understand whether the watch is comfortable for wearing. You should compare lug-to-lug width with the width of your wrist, and if lug-to-lug width is smaller or equal, then this watch shall be comfortable.

    Lug width

    This measurement is defining what size of strap you need for the particular watch. Depending on era and manufacturer you can find watches with lug width between 14 mm and 24 mm. Most common sizes are 18 mm and 20 mm.