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Are alloy mainsprings really unbreakable? "Click" to Login or Register 
Chris Abell
IHC Life Member
Certified Watchmaker
Picture of Chris Abell
posted November 05, 2014 08:37
Are alloy mainsprings really unbreakable under normal use?

ANS NO Big Grin


www.Abellwatchmakers.com


 
Posts: 2626 | Location: Northeast Texas in the USA | Registered: November 20, 2003
Paul J. Williams
IHC Member 1851
posted November 05, 2014 10:32
This was possibly compromised the day it was built. Nice
 
Posts: 209 | Location: Colorado Springs, Colorado in the USA | Registered: April 23, 2013
Rob Carter
posted November 05, 2014 18:18
Chris on a rare occasion I have had a complete failure of an alloy mainspring just like your example. The mainspring broke on the initial winding and it broke in multiple pieces. I was very surprised when I lifted the barrel cap off and saw the destroyed mainspring. Didn't expect that, but it can happen.

Rob
www.pocketwatchrepairs.net
 
Posts: 580 | Location: Kingsport, Tennessee in the USA | Registered: November 26, 2002
Chris Abell
IHC Life Member
Certified Watchmaker
Picture of Chris Abell
posted November 05, 2014 19:14
Hi Rob,

I had a few new alloys have a single break within the first few days, but this is only the second one I have seen fail so dramatically, bet it would sound quite interesting to hear!!


www.Abellwatchmakers.com
 
Posts: 2626 | Location: Northeast Texas in the USA | Registered: November 20, 2003
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