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A 112 year old manufacturing defect "Click" to Login or Register 
IHC Life Member
posted
Glad you enjoyed it Dave...By the way, your prize is a long distance handshake of congratulations. Big Grin

Jim, That is just camera reflection. No wear or contact in that area.
 
Posts: 1078 | Location: Ticonderoga, New York USA | Registered: March 01, 2008
Picture of Edward Kitner
posted
Great lesson Roger, As you know I am a little slow at this sort of thing Big Grin

The screw and the quills showed up today, thanks.
 
Posts: 1488 | Location: New York State in the USA | Registered: March 04, 2008
IHC Life Member
Picture of Larry Lamphier
posted
Roger, I am in the process of putting a 992 back together tonight, and was thinking about this, and I just have to ask.

How many people/watchmakers do you think would have found that problem?

Maybe it's me, but I think to find a problem like this one is really something!!

Regards,
Larry
 
Posts: 2733 | Location: Northeastern United States | Registered: February 28, 2010
IHC Life Member
posted
Thanks Larry,

I think anyone with a pretty good understanding would have found it if they were so inclined. It was readily apparent that there was something wrong when I put the movement to my ear with just the balance on and moved it to different positions. I never even had the watch completely back together after cleaning it so I don't know exactly how much impact this had on overall timekeeping, but it had to have some kind of impact and I suspect it would have been significant...and much harder to figure out if I didn't do that balance test. What I hope others will take away from this is that checking balance motion before putting everything back together pays big dividends. It may require a few minutes of time, but is so critical to the difference between a mediocre outcome and a great outcome that to me it is just a common sense step.
 
Posts: 1078 | Location: Ticonderoga, New York USA | Registered: March 01, 2008
IHC Life Member
Picture of Larry Lamphier
posted
Well It sure tought me something. I do the balance test, but never put it to my ear whan doing it.

Thanks again.

Regards,
Larry
 
Posts: 2733 | Location: Northeastern United States | Registered: February 28, 2010
Picture of Edward Kitner
posted
With my hearing I might as well put to my nose and smell it!
 
Posts: 1488 | Location: New York State in the USA | Registered: March 04, 2008
IHC Life Member
Picture of Larry Lamphier
posted
Roger, according to my watchmaker the safety roller could could have been replaced at one time, and it could have been made by another manafacturer, and they were just enough different that it could have happened also.

He has found this problem with the Illinois rollers more than once, and still does.

Or if a staff was replaced the safety roller was not seated all the way down, or the staff could/might not have been cut right.

Regards,
Larry
 
Posts: 2733 | Location: Northeastern United States | Registered: February 28, 2010
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