M1-31-40 Duotime

Thread: M1-31-40 Duotime

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  1. #1
    Member keys2la's Avatar
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    M1-31-40 Duotime

    I recently purchased an older model Duotime. The back of the watch is engraved M 134340 with 002 just below. I would like to know what movement I have, and any other information on this watch.

    Thanks

    keys2la

  2. #2
    Moderator at Large stuffler,mike's Avatar
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    Re: M1-31-40 Duotime

    Tried to google ? Tons of information available. Movement is an ETA 2893-2. Watch was made about 2000, diameter, 37,4m, height 10mm, wr 5 atm.
    Kind regards
    Mike


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  3. #3
    Member keys2la's Avatar
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    Re: M1-31-40 Duotime

    I have just discovered that the reference number on this watch is M1-34-43.-LB For some reason the case number is listed with a different number. M 14340 I suppose this is how Muhle does it?

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  5. #4
    Moderator at Large stuffler,mike's Avatar
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    Re: M1-31-40 Duotime

    Quote Originally Posted by keys2la View Post
    I have just discovered that the reference number on this watch is M1-34-43.-LB For some reason the case number is listed with a different number. M 14340 I suppose this is how Muhle does it?
    You better show us a pic of the back. You mentioned
    M1-31-40 in title
    M 134340 which for me is a „?“
    M1-34-43-LB (LB means learher strap, Lederband in German). ##1,3 both do exist.
    Kind regards
    Mike


    Instagram @mikestuffler

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