1945 IWC Schaffhausen Cal.70 LNOS

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Delivery: ca.10 days

Something you don't see every day - a near-NOS IWC Schaffhausen with one of the rarest movements ever produced by IWC - Caliber 70. It was produced only for 2 years in 1945 and 1946 and was IWC's take on production of more affordable watches after the war. That is why those rare examples you can find often have gold-plated cases. Basically, Cal.70 is a bit simplified Cal.88. Only 4800 pcs were ever made.

This particular watch is notable for its' outstanding like-NOS condition, immaculate champagne-colored dial, and overall charming look. It comes with IWC strap (later type) and period-correct IWC gold-plated buckle.

Full service in May 2018. Technical warranty: 1 year.


  • Gold-plated 3-body case with snap-on case back. High-polished finishing.
  • Untouched mint condition, showing little to no traces of wear/use.
  • 36 mm (without crown) / 42 mm (lug-to-lug) / 18 mm (between lugs)
  • Original gold-plated crown
  • Original acrylic crystal
  • The serial number was most likely added to the case later during service at IWC. The story is unknown.


    • Time only manual-winding movement in immaculate condition
    • Caliber 70, signed ‘International Watch Co Swiss’
    • Côtes de Genève, polished screws, Breguet spring, 17 jewels, 18000 A/h.
    • Serial number: 1101026
    • Full service in May 2018.


    • Untouched original dial in immaculate condition. 
    • Signed "International Watch Co Schaffhausen" at 12 o'clock 
    • Beveled golden hour markers and Arabic numerals.
    • Original golden hands.

    Delivery set:

    • The watch comes aftermarket IWC leather strap and period-correct IWC gold-plated buckle.
    • Our company’s warranty certificate, invoice and general terms and conditions.

    Collections: Archive, New-Old-Stock

    Category: IWC

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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.