1970 Heuer "Bund" Flyback for German Air Forces

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A true heavy-duty tool watch, the Heuer "Bund" was designed solely for military aviation and was delivered to air forces of many nations, however, is best known as a watch of German Air Forces (nicknamed "Bund" after Bundeswehr - Federal Armed Forces in German).

As with many military watches, the Bund has front-loaded monocoque case with the movement being secured by the screw-mounted case back that is attached to the bezel. The bezel itself has a rotating part with bold 60-sedonds scale. The movement inside is Valjoux 230 - durable manual-winding movement with flyback complication. 

Massive, tough, reliable - that's what you need flying a combat jet up in the sky. 

Only original parts. Professionally serviced in February 2017. Perfectly functional and keeping time. Technical warranty: 1 year.


  • Stainless steel one-piece case with rotating bezel and "mushroom" pushers
  • Professionally restored to factory specs. Correct matte finishing and sharp edges. Traces of wear and tear on the rotating bezel.
  • 43 mm (without crown) / 51 mm (lug-to-lug) / 20 mm (between lugs)
  • Replacement crown signed Heuer.
  • Original plexiglass crystal
  • Reference number engraved between lugs: 1550 SG


    • Manual-winding 2-reg flyback chronograph
    • Valjoux 230
    • 17 Jewels, 18000 A/h, 40 hours of power reserve, fly-back, Incabloc shock protection.
    • Professionally serviced in February 2017.


    • Untouched original matte-black "Small T" dial in excellent. Showing minor ageing of the luminous numerals. 
    • Signed "Heuer" at 12 o'clock and "Swiss" at 6 o'clock.
    • Original luminous hands partly painted in the past. Original chronograph hands partly painted in the past.

    Delivery set:

    • The watch with quality hand-made calfskin strap and generic steel buckle.
    • Suede leather watch travel case
    • Our company’s warranty certificate, invoice and general terms and conditions.

    Collections: Archive

    Category: Heuer

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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.