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The caliber 885 [message #8774] Sun, 11 February 2018 17:12 Go to next message
JackW is currently offline  JackW
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Location: Denver
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The 885 is another common one out of the caliber stable. I've one on the bench and thought I should take some images. Afire has this post on his very fine watch, which I think is the only other one that clearly IDs what the movement is. An ebauche finished by/for Gruen from FHF. However, Afire state 324, Ranfft indicates the cal 1146 by FHF. There is a clear stamping with the FHF mark.

index.php?t=getfile&id=3636&private=0
index.php?t=getfile&id=3638&private=0
index.php?t=getfile&id=3637&private=0

For those working on restoring the 885 there is this post on issues with the staffs
Cousins has the mainsprings as 1.45 x 0.11 x 280 x 9 (Part #GR3981) and Borel has these as 1.40-.10-320 9 (Part # MS-511M). Both are in white alloy.
Gruen (1947 Horological Manual) listed the size as 1.45 x .11 x .280 but this is for a blued steel.


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[Updated on: Mon, 12 February 2018 04:01]

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Re: The caliber 885 [message #8802 is a reply to message #8774] Tue, 13 February 2018 20:06 Go to previous messageGo to next message
afire is currently offline  afire
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Location: Wisconsin
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Huh. I must have gotten that from somewhere. There was this discussion in which the 885 and FHF 324 come up as allegedly having some interchangeability.
http://vintagegruen.org/vgforum/index.php?t=msg&goto=286 1&&srch=324#msg_2861
And a quick google of FHF find mention of the FHF 324 being the base for the Bulova 10AN, and from the bridge side, you can see a family resemblance. I googled 10AN set lever, and it certainly has more than a passing similarity to the 885 set lever.
https://i.ebayimg.com/images/g/~tAAAOSw6ShZVMI~/s-l225.jpg
I would say there's some connection.
Re: The caliber 885 [message #18726 is a reply to message #8802] Sun, 19 November 2023 20:23 Go to previous message
Jenneke is currently offline  Jenneke
Messages: 1904
Registered: May 2013
Location: Netherlands
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The base of this movement isnt the FHF 1146  mentioned by Rannft. The stem doesnt fit.

Another example (with uncommon swirlies on the balance cock).
/vgforum/index.php?t=getfile&id=10865&private=0

And a strange G next to the 885.
/vgforum/index.php?t=getfile&id=10866&private=0


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