If it has a spring, then it is either as a "spoon" at the end or as a fork under a tiny bridge/cock. Hey, it is a automatic...tricky. I am not completely sure how they have solved this and it is not visible as it is a automatic.
Molly 3608 problem and question
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Re: Molly 3608 problem and question
Enviado desde mi fucking Samsung S8.
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Re: Molly 3608 problem and question
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Re: Molly 3608 problem and question
Gotcha!Yoda wrote:If it has a spring, then it is either as a "spoon" at the end or as a fork under a tiny bridge/cock. Hey, it is a automatic...tricky. I am not completely sure how they have solved this and it is not visible as it is a automatic.Emilio wrote: ↑April 15th, 2021, 3:07 pmI'm not an expert but that miyota movement has center seconds.Yoda wrote:
As long as it has the centre seconds wheel and the supporting spring, yes.
It's not an uncommon thing in some IWC movements, the cure is the same.
I don't know if it has that spring.
Can it be viewed without disassembling the movement?
I'm afraid the cure is swapping it with a better movement
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Re: Molly 3608 problem and question
Most, if not all, ETA automatic movements don't have a spring, the Myota has probably not either.Emilio wrote: ↑April 15th, 2021, 3:56 pmGotcha!Yoda wrote:If it has a spring, then it is either as a "spoon" at the end or as a fork under a tiny bridge/cock. Hey, it is a automatic...tricky. I am not completely sure how they have solved this and it is not visible as it is a automatic.
I'm afraid the cure is swapping it with a better movement
Enviado desde mi fucking Samsung S8.
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Re: Molly 3608 problem and question
Yes Myiota 8215 (and DG2813 too) is indirect center seconds, so yes, it has the spring, but the spring sits under the main bridge. It could be adjusted, but that means dissasembling the movement.
And most ETAs don't have that, because they are direct seconds
Walts Odets has written some good articles about center seconds if you're interested.
And most ETAs don't have that, because they are direct seconds
Walts Odets has written some good articles about center seconds if you're interested.
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Re: Molly 3608 problem and question
So, I bought another 3608 cause I think I'm going to sell my Athaya Pilot and I couldn't see doing so with the intolerable stutter that the first one had - and I didn't feel confident to tackle this indirect seconds fix. What's easy for [mention]Yoda[/mention] is not likely to be easy for me, so I punted and bought another. The second one runs much better, which is great.
With the swap complete, I set about exploring the the first 3608 I got. I found neither a spoon nor a fork serving as a spring beneath the supplemental seconds bridge. Rather, I found what at first I mistook for a dial washer, only smaller in diameter and thicker. But I found that this "washer" was actually the spring. And this made it clear why it was so easy for this to become flattened and lose the ability to hold the seconds post up so that it engages the indirect wheel. I bent it a little, then unbent it a little, and it seems to solve the problem - mostly. There's still stutter, but not nearly as much. As one could imagine, it functions better when vertical than it does laying flat. This seems like a poor design since the spring is anchored to nothing and is therefore susceptible to gravity in this way.
Anyway, those are my observations so far. I'd be very interested in input from anyone else who has worked on the 3608.
Dave
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With the swap complete, I set about exploring the the first 3608 I got. I found neither a spoon nor a fork serving as a spring beneath the supplemental seconds bridge. Rather, I found what at first I mistook for a dial washer, only smaller in diameter and thicker. But I found that this "washer" was actually the spring. And this made it clear why it was so easy for this to become flattened and lose the ability to hold the seconds post up so that it engages the indirect wheel. I bent it a little, then unbent it a little, and it seems to solve the problem - mostly. There's still stutter, but not nearly as much. As one could imagine, it functions better when vertical than it does laying flat. This seems like a poor design since the spring is anchored to nothing and is therefore susceptible to gravity in this way.
Anyway, those are my observations so far. I'd be very interested in input from anyone else who has worked on the 3608.
Dave
Sent from my iPhone using Tapatalk