Need help with Zenith Annual Calendar date change!
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  1. #1
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    Need help with Zenith Annual Calendar date change!

    Hi there!


    I wanted to ask if anyone of you out there can help me out with my question about my Zenith annual calendar. (ref. 03.2072.4054/01.C711)


    I noticed that the date and month switch over at precisely midnight. However, the weekday window is advancing at 3 am. My local watchmaker couldn't tell me if that's normal for this caliber ( El primero 4054).

    Is there something wrong with my Zenith and does it need to be repaired?

    Thank you guys in advance!




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  2. #2
    Member fskywalker's Avatar
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    Re: Need help with Zenith Annual Calendar date change!

    Quote Originally Posted by Allwatchyouwant View Post
    Hi there!


    I wanted to ask if anyone of you out there can help me out with my question about my Zenith annual calendar. (ref. 03.2072.4054/01.C711)


    I noticed that the date and month switch over at precisely midnight. However, the weekday window is advancing at 3 am. My local watchmaker couldn't tell me if that's normal for this caliber ( El primero 4054).

    Is there something wrong with my Zenith and does it need to be repaired?

    Thank you guys in advance!




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Views: 43
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    Nice watch! Not sure if that is a malfunction, would think something can be adjusted by a watchmaker


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  3. #3
    Zenith Forum Co-moderator
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    Re: Need help with Zenith Annual Calendar date change!

    Congratulations on the watch! I haev no experience with that particular model but I do know that the annual calendar mechanism was developed for Zenith by Ludwig Oechslin (who also developed complications for Ulysse Nardin) and that it consists of only nine extra parts. Furthermore, it is a relatively common feature in day-date watches that the day and the date don't change at the same time (the day-of-the-week usually goes after midnight). So I expect that your phenomenon is normal. However, please do wait until others with hands-on experience weigh in with their knowledge here.

    Hartmut Richter

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  5. #4
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    Re: Need help with Zenith Annual Calendar date change!

    I have the annual calendar as well. This is normal. This is the reason you don’t adjust these or any triple dates usually between 10pm and 2-3 am.

  6. #5
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    Re: Need help with Zenith Annual Calendar date change!

    Quote Originally Posted by Hartmut Richter View Post
    it consists of only nine extra parts.

    Hartmut Richter
    Only 9 extra parts? Are you shure? Zenith cal 4054 consists of 341 components (!) and it's one of the most complicated caliber of Zenith.

  7. #6
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    Re: Need help with Zenith Annual Calendar date change!

    @Allwatchyouwant
    I also have a Zenith Annual Calendar. Yes, this is normal.

  8. #7
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    Re: Need help with Zenith Annual Calendar date change!

    Thank you for your submission! Yes, apparently, Ludwig Oechslin only added 9 parts for the Annual Calendar complication.
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  9. #8
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    Re: Need help with Zenith Annual Calendar date change!

    Quote Originally Posted by probep View Post
    @Allwatchyouwant
    I also have a Zenith Annual Calendar. Yes, this is normal.

    Interesting... Good to have some of you with hands-on experience! Well, my worries are now finally gone, glad that everything seems to be ok with my Zenith. Thank you!
    fskywalker likes this.

  10. #9
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    Re: Need help with Zenith Annual Calendar date change!

    Quote Originally Posted by Allwatchyouwant View Post
    Interesting... Good to have some of you with hands-on experience! Well, my worries are now finally gone, glad that everything seems to be ok with my Zenith. Thank you!
    If you need to change the date, don’t do it between 10pm and 3am
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  11. #10
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    Re: Need help with Zenith Annual Calendar date change!

    Guys, I wrote Zenith and this is the response I‘ve received yesterday evening! I hope that you can see the picture, as I‘ve uploaded it from my Ipad.

    Name:  CD54DAC2-AD9D-4032-97E0-F04A4A7CDD06.jpeg
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    Now I am obviously totally confused... Are we looking at manufacturing defects here?? What do you think about the Email?
    fskywalker and probep like this.

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