Vintage Gruen: 1930's » Curvex Duchess 1937 520

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Re: Curvex Duchess 1937 520 [message #19122 is a reply to message #19104]

Thu, 31 October 2024 19:49

koskid
Messages: 34
Registered: March 2014
Location: San Francisco

Gruen Apprentice

Attached is a photo of both the 520 (top) and 329 (bottom) movements. The 520 has the balance cock and balance from the 329 installed and is running great. The broken staff 520 balance cock and balance are installed in the 329. The upper bridges on the 520 have a cylindrically machined surface to fit the curves case.

/vgforum/index.php?t=getfile&id=11231&private=0

/vgforum/index.php?t=getfile&id=11231&private=0

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[Message index]

		Curvex Duchess 1937 520 By: Jenneke on Sun, 12 May 2013 08:48
		Re: Curvex Duchess 1937 520 By: koskid on Fri, 04 October 2024 18:10
		Re: Curvex Duchess 1937 520 By: Jenneke on Fri, 04 October 2024 21:35
		Re: Curvex Duchess 1937 520 By: koskid on Sat, 05 October 2024 01:27
		Re: Curvex Duchess 1937 520 By: JackW on Sun, 06 October 2024 14:57
		Re: Curvex Duchess 1937 520 By: koskid on Wed, 16 October 2024 03:15
		Re: Curvex Duchess 1937 520 By: koskid on Thu, 31 October 2024 19:49
		Re: Curvex Duchess 1937 520 By: JackW on Thu, 31 October 2024 20:13

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