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1947 Omega Ref.2505-29 Jumbo

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Original, fascinating, and still affordable timepiece made by Omega in ca.1947. It features 38 mm all stainless steel case, creamy-white dial with beautiful mirror-like Arabic numerals. It is powered with Cal.30T2 - a reliable successor of the famous Cal.30 which actually made Omega successful and popular brand.

This particular piece is notable for beautiful champagne colored dial showing minimal ageing and shiny 38 mm case.

Technical warranty: 1 year.

Case:

  • Stainless steel 3-body case with snap-on case back. Satin and high-polished finishing.
  • Polished in the past. Fine condition showing minor traces of use.
  • 38 mm (without crown) / 44 mm (lug-to-lug) / 18 mm (between lugs)
  • Replacement crown (unsigned).
  • Replacement plexiglass crystal

    Movement:

    • Manual-winding with small seconds hand
    • Cal.30T2 signed ‘Omega’.17 jewels, 18000 A/h and 43 hours of power-reserve. Antimagnetic. No shock protection. 
    • Serial number: 10584923
    • Service history is unknown. Timegrapher shows strong results: 220 degrees of amplitude, 1 ms of beat error, -8 seconds a day. 

    Dial:

    • Untouched authentic champagne dial in good condition showing little to no ageing of the surface, and few damages around the logo at 12 o'clock.
    • Raised golden Arabic numerals.
    • Signed "Omega" at 12 o'clock. Signed "Swiss Made" at 6 o'clock.
    • Original golden hands in outstanding condition.

    Delivery set:

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

    Related Items

    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.