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Posted

Hi guys, I'm Steven from Malaysia. Repairing watches and clocks is my hobby which is also my work. As someone said, do what you love and you'll never work a day. That's what I'm doing for decades for a living. I was introduced to this forum by Mark's videos. Thank you Mark for sharing your skills in watch repair. I'm learning a lot watching your videos. Cheers!

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Posted

Hi and welcome from a very keen amateur. It's good to have you on board, and I look forward to reading your future posts. :)

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Posted

I envy you Steven,

I, like you, discovered this site through Mark's videos.

I retired after 32 years in R & D from Alcoa (the aluminum co.) and really enjoyed learning a wide variety of disciplines. Two years later (2012) I took a job at a jewelry store where I learned some basic watch repair (no mechanical watches). I'd like to get into mechanical but, home life makes it difficult.

My last two years while working, I enrolled at the Art Institute of Pittsburgh - online. I was involved in interactive multimedia and web design. I was amazed to find  that so much psychology goes into designing. Even something as simple basic as typography has many subtleties that influence the audience.  Unfortunately, I had to drop out because of work responsibilities. Through my training at the Art Institute I can appreciate what goes into video production. Of all the different videos that I've seen regarding watch repair, Mark's are the best. He gives me confidence to continue learning. His editing is spot on. I hope Mark gets rewarded for all his generous efforts.

 

I envy you Steven. You had the good fortune to get into the repair business long ago.

Had I known how rewarding this is, I would have pursued this when I was young.

 

Welcome,

Dave

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  • 9 years later...

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    • Good stuff, thanks!!!  I'm going to save it and re-read your post and watch the video again.  I have a few follow-up question:  My understanding is that the spring vibrates or breathes between the the two regulator pins. When the pins are fully open the effective spring length is from the stud and theoretically no rate adjustment can be made by moving the regulator arm. As the pins are closed the spring gets closer to one side of the regulator block but doesn't touch a pin. You can still move the regulator carrier the entire terminal curve without upsetting the coils.  The rate can now be adjusted using the regulator because the effective spring length can be modified.  My question is: Does the hairspring bounce off and touch one of the pins as it breathes? Is that why the effective hairspring length is adjusted by moving the regulator?  And follow-up: How is amplitude affected by the spring between the pins? Does fully open pins, dial up position = max amplitude?  When spring adjusted to 1/2 width still = max amplitude? When I have crown down gravity is pulling the spring against one of the pins and I would expect rate to go up and amplitude to go down. Is that correct?
    • A quick Google for Longines 25.17 found several similar watches - like this one with writing on the case back similar to yours https://benjaminmarcello.nl/product/longines-cal-25-17-tank-from-1938/
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    • Then, can I replace it by purchasing a regular ruby with the same or similar width and height and pivot groove size from eBay? If I replace it like the above and operate the movement, will there be no problem?
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