Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement
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  1. #1
    Member hexy0k's Avatar
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    Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Hello All,

    I'd like to ask your help about my new watch the Rotary "Les Originales" Jura GS90504/19 with Swiss movement.
    Just bought it on amazon uk for 150 GBP(~220USD)brand new, shipped.

    please see the review & pics from rotary`s website below. Odd thing that the official page has been removed since then.. Still can view it though. just Google GS90504/19 and click on the cached version.
    Never heard of this swiss movement, cant find much about it either (" Rotary's first Swiss Made proprietary movement") ??
    this seemed a good deal anyway, didnt arrive yet, I`ll post pics if intrested.

    What do you think? Any input would be appreciated.
    Thanks
    Gabor


    Rotary Les Originales Gents Gold-plated Case Watch

    Product code: GS90504/19
    Rotary Les Originales's newest range Jura Gents Automatic Swiss made watch, this range of watches all feature Rotary's first proprietary movement. Each timepiece features 21 jewels within the movement and also a striking full or part skeleton dial.
    This watch features gold PVD casing with a black half skeleton dial framing the Calibre R.1004.21 movement. The watch also comes with a genuine black leather strap and sapphire crystal glass on both the front and caseback. Swiss Made, Waterproof and Rotary Lifetime guarantee.

    Attachment 1023883
    Attachment 1023885


  2. #2
    Member JakeJD's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Well, I highly doubt that you picked up an inhouse movement for that price, so most likely Rotary has collaborated with a manufacturer to design a custom variation on an ebauche movement (sort of like the new Shinola movements). If that's the case then there might be a stamp somewhere on the main plate. You'd have to take the back off and root around in there with a loop to spot it. I'm not sure about Swiss made 21-jewel movements... it's not a 2824-2; the 2892 is 21-jewels, but its generally more expensive than the 2824. Don't know about Ronda, Sellita, or Claro-Semag. Miyota and Seiko both make 21-jewel movements, as does Seagull (their ST18 is a clone of the ETA 2892 - but that doesn't look like the ST18 or the 2982).

    My guess is that Rotary contracted with Miyota to create a dolled-up version of the 8215 (gold plated, skeletonized, custom rotor), then assembled the parts in Switzerland so they could call it "Swiss made." That center screw in the rotor and the shape of the regulator (but not the jewel) look like the Miyota 8215 (I'm looking at the variant in my Zeppelin right now).

    Mine looks a lot like this (borrowed from watchallure.com):

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    Last edited by JakeJD; March 27th, 2013 at 17:07.

  3. #3
    Member Negakinu's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    This one uses the same movement. Slightly better to identify. Looks almost like a Hangzhou to me.
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    Never spend more than $100 on a Mushroom!

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  5. #4
    Member JakeJD's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Which Hangzou, do you think, Negakinu? I've tried to find Chinese movements that use a rotor screw that small. I don't know what the word is, but they all have a large arch at the center and one or more rings around the screw. Eg (borrowed from a for sale thread):


  6. #5
    Member hexy0k's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Thanks very much for info!!
    watch has arrived:
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    Is there any other way to identify the movement than open it? Listprice is around 400 GBP(~500USD) if that matters..

  7. #6
    Member AC81's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Quote Originally Posted by Negakinu View Post
    This one uses the same movement. Slightly better to identify. Looks almost like a Hangzhou to me.
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    That's got to be the sea-gull movement? ( ST1601K )

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    It doesn't have some of the engravings, so it's likely to be made under licence mabee..... ?
    Last edited by AC81; March 27th, 2013 at 22:55.

  8. #7
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Don't have anything to add on the movement, but that is a good looking watch from the front.

  9. #8
    Member JakeJD's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    I agree that it looks like the same movement as the Seagull. That particular Seagull watch uses the ST16(03). But according to Lysander (https://forums.watchuseek.com/f72/cla...wn-312588.html) the ST16 is a 20-jewel movement. But maybe they added a jewel for this version? Possible.

    Nevertheless, according to Lysander's post, this could just as easily be a skeletonized Claro-Semag 888 - the movements are essentially identical. But the CL-888 does have 21 jewels.

    My guess is that's a Claro-Semag, based on nothing but gut reaction, the Swiss stamp (see linked post -->), and similar slope away from center on the rotor (which is very thin evidence indeed). But it really doesn't matter. It's the same movement.
    Last edited by JakeJD; March 27th, 2013 at 23:11.

  10. #9
    Member JakeJD's Avatar
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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    New post since I got sick of editing the last. Sue me.

    Here is a pic collected from the internet of the back of the ST1603. That sure looks like our bird. Good call AC81! But again, Seagull or Claro-Semag? Like I said, I bet CL. But no way to tell.


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    Re: Help on Rotary "Les Originales" Jura GS90504/19, Calibre R.1004.21 Swiss movement

    Claro Semag takes Sea-Gull movements and does some work on them in Switzerland so that they can be called "Swiss Made". So this is a Claro-Semag and a Sea-Gull ST16.
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