1970 Jaeger-LeCoultre Memovox Polaris II Ref.E870

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Jaeger-LeCoultre was the first Swiss manufacturer to introduce a wristwatch with mechanical alarm function in 1950. It was a small dress watch measuring merely 35 mm and powered with manual winding caliber. Just 20 years later, the company offered something very different - the Memovox Polaris II. It was engineered for divers, powered with 3rd generation "Speedbeat" automatic caliber, and represented all those inspiring design trends of the 70s! Only 1120 pieces were ever made in all colours: blue (like this one), burgundy, and grey. 

This particular piece is a US-market version with original factory finishing of the case showing moderate traces of use and very well-preserved dial.

Technical warranty: 1 year.

Case:

  • Stainless steel 3-body case with screw-down caseback.
  • Unpolished case with original sandblasted finishing. Showing normal traces of use, minor scratches and dents.
  • Original blue bezel insert in excellent condition
  • 39 mm (without crown) / 43 mm (lug-to-lug) / 20 mm (between lugs)
  • Two original signed crowns 
  • Original mineral crystal showing several scratches

    Movement:

    • Automatic with hand-wound alarm function
    • Cal.916 signed Jaeger-LeCoultre
    • Gold-plated, 17 Jewels, 28800 A/h, 44 hours of power reserve.
    • Good overall condition. 
    • Service history is unknown, however, the watch shows strong results: 280 deg. of amplitude, +6 seconds a day, 1 ms of beat error.

    Dial:

    • Original and untouched gradient blue dial in good condition. Tritium is missing at most of hour markers.
    • Signed "LeCoultre" at 12 o'clock. Signed "Automatic" and "T Swiss Made T" at 6 o'clock. Signed "Memovox" and "HPG" which means High Pressure Guaranteed on the alarm disc.
    • Original luminous hands in excellent condition.

    Delivery set:

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

    Collections: Archive

    Category: Jaeger-LeCoultre


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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.