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Home » The Gruen Model Database » The caliber database » The caliber 35
The caliber 35 [message #13300] Mon, 17 August 2020 00:02 Go to next message
thesnark17 is currently offline  thesnark17
Messages: 645
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=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.
Re: The caliber 35 [message #13304 is a reply to message #13300] Mon, 17 August 2020 13:37 Go to previous messageGo to next message
Case is currently offline  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
Re: The caliber 35 [message #13319 is a reply to message #13304] Tue, 18 August 2020 00:29 Go to previous messageGo to next message
thesnark17 is currently offline  thesnark17
Messages: 645
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.
Re: The caliber 35 [message #13321 is a reply to message #13319] Tue, 18 August 2020 03:33 Go to previous message
Case is currently offline  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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