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Thread: ideas to source a replacement crown for a Lemanai 1341/Sinn 140?

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    Default ideas to source a replacement crown for a Lemanai 1341/Sinn 140?

    my lemania 1341 has a non-original replacement crown. the case and fittings are identical to the sinn 140/141/142, so parts for any in that lineage should fit.

    i emailed sinn/frankfurt and they would not service this watch. to my knowledge sinn does not sell replacement parts, either.

    so i'm trying to figure out some way to replace this crown with a proper replacement part, either from a sinn 142 (or predecessors) or even a replacement from the equivalent (e.g., lemania, alpina, sicura, bell-ross, richard, etc).

    thx in advance.


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    I am sorry that I cannot point you in the direction of something "original", but I believe that most of these were unsigned crowns, and most decent stockists (like Cousins here in the UK) have a good enough range to be able to provide something the right size, witht he right profile, and with the correct tap size to accept the stem.
    For reference, I believe that you are looking for a dome-headed crown, like this



    The OD on mine is 6.0mm, and the depth is 3.0mm

    Hope this helps

    Dave
    If it's Lemania-powered, I'm interested. Tool Chrono - interested. Dive Chrono - interested. Interesting - interested

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    done some research, looks like the crown from the omega flightmaster is identical to the OEM part (with he added omega logo, of course).

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    How about Guinand - they may have some of old man Sinns bits 'n' bobs lying around, or contact him via his website...?

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    Hi
    Sorry to be a bit thick here, but perhaps I am missing something.
    This would be (originally), an unsigned crown, which is not screwdown, twist-lock or anything exotic.
    Please correct me if I am wrong.
    So the criteria for replacing a non-original one with one that is closest as possible to the original specification.
    Crowns are defined by size, tap size (the internal thread for the stem) and fitment. Fitment becomes more of an issue if there is a screwdown thread to mate to, but otherwise is fairly simple.
    If it is not compatible (or thread size cannot be matched), the best solution would be to replace the crown tube as well, to match each other.
    I am not sure that searching out anyhting from an OEM would provide anything more "original" per se, because the actual OEM is, as we all know, unfortunately defunct.

    Dave
    If it's Lemania-powered, I'm interested. Tool Chrono - interested. Dive Chrono - interested. Interesting - interested

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