Thread: Chronographs with date

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  1. #1
    Zenith Forum Co-moderator
    Join Date
    Feb 2006

    Chronographs with date

    Here's another thing that makes the El Primero special: despite the fact that it was produced by Zenith alone against fierce competition by a consortium (Breitling/Hamilton-Buren/Heuer-Leonidas/Dubois-Depraz) to get the world's first automatic chronograph on the scene, it was also designed to have a date function. This might seem normal to us nowadays, but in 1969, it was anything but the rule. There were few chronographs of any kind with a date window before that (some examples by Landeron and Hanhart that I know of) - most had nothing and some Valjoux ones had a central pointer date, which interferes a little with the chronograph second hand legibility. So, not quite a first for the EP but it seems to have been a little bit of a trend-setter in that regard - after it came on the market, practically all chronograph movements were designed with it!

    Hartmut Richter

  2. #2
    Zenith Forum Moderator D N Ravenna's Avatar
    Join Date
    Apr 2005
    Roswell, GA

    Re: Chronographs with date

    Most interesting.

    Thanks Hartmut!


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