Vintage Gruen: The caliber database » Caliber 641 (640)

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Re: Caliber 641 (640) - Factory R Gruen Guild [message #13412 is a reply to message #13399]

Tue, 25 August 2020 02:52

timeliz
Messages: 602
Registered: May 2013
Location: Northern California

Gruen Master

This is an interesting topic. I'm going to throw my 640 into the mix.
Notable is that Record is listed in interchangeability list for these two different movements: 647 (c. pre 1910) & 650 (c. 1918).

Mine has no "R" stamp, yet has same setting bits as R stamped movement:

/vgforum/index.php?t=getfile&id=6900&private=0

/vgforum/index.php?t=getfile&id=6900&private=0

/vgforum/index.php?t=getfile&id=6901&private=0

Attachment: Gruen cal 640 dial side & case hallmarks (2).jpg
(Size: 903.46KB, Downloaded 698 times)
Attachment: Gruen cal 640 mov&dial back (2).jpg
(Size: 1.01MB, Downloaded 671 times)

"Some days are diamonds, some days are stones..." -John Denver

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[Message index]

		Caliber 641 (640) - Factory R Gruen Guild By: Case on Sat, 01 February 2020 04:08
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Sat, 01 February 2020 17:34
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Barney Green on Sun, 02 February 2020 12:28
		Re: Caliber 641 (640) - Factory R Gruen Guild By: JackW on Sun, 02 February 2020 15:10
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Ephemerald on Sun, 02 February 2020 18:30
		Re: Caliber 641 (640) - Factory R Gruen Guild By: mikey on Sun, 02 February 2020 19:40
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Sun, 02 February 2020 19:53
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Sun, 23 August 2020 03:48
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Barney Green on Mon, 24 August 2020 07:33
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Mon, 24 August 2020 13:34
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Barney Green on Mon, 24 August 2020 15:06
		Re: Caliber 641 (640) - Factory R Gruen Guild By: timeliz on Tue, 25 August 2020 02:52
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Jenneke on Tue, 25 August 2020 17:08
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Tue, 25 August 2020 17:52
		Re: Caliber 641 (640) - Factory R Gruen Guild By: Case on Fri, 11 June 2021 16:15

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