Vintage Gruen: The caliber database

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The caliber 35 [message #13300]

Mon, 17 August 2020 00:02

thesnark17
Messages: 654
Registered: January 2017

Gruen Master

Type : pocket watch
Period/date : 1900-1920
Gender : men's

Caliber : 35
Movement Maker : Gruen
Size: 12 size with spacer ring, 17''' without

/vgforum/index.php?t=getfile&id=6802&private=0

/vgforum/index.php?t=getfile&id=6802&private=0

/vgforum/index.php?t=getfile&id=6801&private=0

/vgforum/index.php?t=getfile&id=6804&private=0

17 jewel variant
/vgforum/index.php?t=getfile&id=6803&private=0

21 jewel variant
/vgforum/index.php?t=getfile&id=6805&private=0

/vgforum/index.php?t=getfile&id=6806&private=0

While the 17 jewel variant lacks the top-end chronometer balance and the 21 jewel has it, there exist 17 jewel variants with the top-end balance and 21 jewel variants without.

Whether there are different caliber numbers for the different jewel counts and configurations is for someone else to research. I call both of these "caliber 35" because that's what I was told they were, years ago. I have no documentation.

Attachment: cal 35 21j dial.jpg
(Size: 1.37MB, Downloaded 1677 times)
Attachment: cal 35 spacer.jpg
(Size: 1.34MB, Downloaded 1688 times)
Attachment: cal 35 21j.jpg
(Size: 1.42MB, Downloaded 1670 times)
Attachment: cal 35 17j.jpg
(Size: 1.07MB, Downloaded 1656 times)
Attachment: cal 35 dial side.jpg
(Size: 1.25MB, Downloaded 1667 times)
Attachment: cal 35 dial.jpg
(Size: 889.61KB, Downloaded 1632 times)

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Re: The caliber 35 [message #13304 is a reply to message #13300]

Mon, 17 August 2020 13:37

Case
Messages: 1178
Registered: May 2019
Location: Cincinnati

Gruen Authority

Thanks to Gary for moving this over to the caliber database. Are they lever set or stem?

My two caveats:
1) I'm wrong many times a day --just ask my wife!
2) Always seeking to learn more

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Re: The caliber 35 [message #13319 is a reply to message #13304]

Tue, 18 August 2020 00:29

thesnark17
Messages: 654
Registered: January 2017

Gruen Master

They are both stem-set.

The 21 jewel watch is the best running Gruen I have. Unserviced and running with low amplitude, the delta across 5 positions was 7 seconds. I haven't run it in a couple of years... I still don't have the skills to be confident in servicing it as it deserves.

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Re: The caliber 35 [message #13321 is a reply to message #13319]

Tue, 18 August 2020 03:33

Case
Messages: 1178
Registered: May 2019
Location: Cincinnati

Gruen Authority

Wow, that is tight! Hopeful mine will perform like that.

My two caveats:
1) I'm wrong many times a day --just ask my wife!
2) Always seeking to learn more

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Previous Topic:	Possible Caliber 60 (21J sister to Cal 35) - Madretsch - 17’” Open Face
Next Topic:	Cal 146/147/148/149 (not 142/143) - 9 3/4’” - 15J/17J

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