WWT Shows CLICK TO: Join and Support Internet Horology Club 185™ IHC185™ Forums

• Check Out Our... •
• TWO Book Offer! •
Go
New Topic
Find-Or-Search
Notify
Tools
Reply to Post
  
Gruen 731CA Mainspring "Click" to Login or Register 
IHC Member 820
posted
Hi All,
Does anyone know what the dimensional size of a Gruen 731CA mainspring?
Thanks Mel
 
Posts: 503 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
IHC Member 1555
posted
Is that caliber the Auto model Melvin?
 
Posts: 2186 | Location: Gladstone in Australia | Registered: January 14, 2011
IHC Member 820
posted
Hi Bila,
Yes it is an Autowind.
Mel
 
Posts: 503 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
IHC Member 1892
posted
Hi Mel:
I think Dennison W=4
S=10
L=12 1/2
I Think if you check listing # 114852423269 on e-bay site you might find what you are looking for,or a least someone there that might help. John
 
Posts: 355 | Location: Kincardine, Ontario in Canada | Registered: November 25, 2013
IHC Member 820
posted
Thanks John!!!!!
 
Posts: 503 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
  Powered by Social Strata  
 


©2002-2021 Internet Horology Club 185™ - Lindell V. Riddle President - All Rights Reserved Worldwide

Internet Horology Club 185™ is the "Family-Friendly" place for Watch and Clock Collectors