1945 Fortis Valjoux 72 Chronograph

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Rare and charming timepiece by Fortis featuring legendary Valjoux 72 movement and clamshell-like patented case. 

Technical warranty: 1 year.

Case:

  • Stainless steel 2-body case with snap-on case back. High polished finishing.
  • Professionally polished. Showing no scratches and traces of use. Mint condition.
  • 36.5 mm (without crown) / 45 mm (lug-to-lug) / 18 mm (between lugs)
  • Original steel crown and "mushroom" pushers.

    Movement:

    • Manual-winding chronograph
    • Valjoux 72 signed "Fortis Watch Co" and "Seventeen Jewels Unadjusted Swiss"
    • 17 jewels, 18000 A/h, 40 hours of power reserve, Incabloc shock protection.
    • Shows oxidation of some parts.
    • Service history is unknown. Timegrapher shows strong results: 240 degrees of amplitude, 0 ms of beat error, -5 seconds a day. 

    Dial:

    • Original untouched dial in fine condition. Showing light spotting and visible ageing over the surface at 2 - 4 o'clock.
    • Signed "Fortis" at 12 o'clock. Signed "Swiss" at 6 o'clock. 
    • Original blue steel hands with radium lume in fair condition showing significant oxidation.

    Delivery set:

    • The watch with Fortis leather strap (modern) and Fortis steel buckle (modern).
    • Suede leather watch travel case
    • Our company’s warranty certificate, invoice and general terms and conditions.

    Collections: Archive

    Category: Fortis


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    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.