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    Early 1900 movement identification

    Thank you John! I guess you looked in Swartchild book? Was there a figure of the back of the movement or something about the manufacturing year? Is there interchangeability information?
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    Early 1900 movement identification

    You are right, it's 29.64mm, so 13 lignes.
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    Early 1900 movement identification

    Hi, I have this movement that I can't identify. It looks like an early FHF but the setting puzzled me. The only thing I can read is Invicta. Is there someone that can help me? Thanks!
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    Military Ord. A7198366 Waltham Watch Crown ID Help

    Hi, By looking at your picture, it looks like crown for Elgin OC (snap back type) but has waltham identification. In TM 9-1575 there is no info on this particular one only for the waltham dust-proof case. It's certainly not for any waterproof case. My guess is that this crown belong to waltham...
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    Watchmaker lathe collet quality and brands

    Thank you everyone, It will be a long journey, but I will sort and test them all. I was planning to keep a second set as spares, so thanks Jerry for your experience sharing. I am use machining big and complex parts but new in watchmaking parts. It's beautiful when a hobby cross the professional...
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    Watchmaker lathe collet quality and brands

    Thanks! It helps, and confirmed my thought. Do you know the brands on the pictures?
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    Watchmaker lathe collet quality and brands

    Hi, I just acquired a huge lot of 8mm lathe collets. I want to take the best quality collets to fit my Boley. So, except the geometry, which is my first criteria, which one would you recommend me to keep in this list: - Starett - wolf Kahn & Co - Whitcomb - Peerless - Victor - Derbyshire -...
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    Small lathe/device for pivot polishing

    For me a Jacot pivot tool works well as for balance than for gears pivots. There is plenty for sale and can be restaured easily.
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    Moeris parts interchangeability

    Thank you, I'll do some research on that and try to figure this out .
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    Moeris parts interchangeability

    Do you think other brand like civitas can share same components and ways of knowing?
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    Moeris parts interchangeability

    Jon, it is the second pivot but i think it the extension of the 4th wheel (the one at 6 hour) here the dial picture. As for rebuilding it, I am sad not having the equipment "yet". Roughbarked, here is the most relevant information I could get (19E & @9H could be similar), but I am not 100%...
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    Moeris parts interchangeability

    Hi, I am working on a Moeris 19H GSTP. After changing the staff everything was working, until I realized the second bit on the 4th wheel is broken... is anyone can lead me to part interchangeability to get a new gear. Thanks!

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