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WTB/WFT - winding stem for a V4 [message #8739]

Tue, 30 January 2018 05:25

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Anyone have one?

All I know is based on hard work & writing by others. I can only aspire to augment this body of knowledge. If I am wrong it is because of my own failings. -me

"If I have seen farther it is by standing on the shoulders of giants." - Newton

[Updated on: Tue, 30 January 2018 05:26]

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Re: WTB/WFT - winding stem for a V4 [message #8740 is a reply to message #8739]

Tue, 30 January 2018 14:48

kastner
Messages: 339
Registered: May 2013
Location: Pasadena CA

Gruen Guildsman

I do indeed have one. Need anything else from the parts box?

Send me a PM with your address please.

index.php?t=getfile&id=3620&private=0

Attachment: V4 parts.jpg
(Size: 772.06KB, Downloaded 1590 times)

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Re: WTB/WFT - winding stem for a V4 [message #8741 is a reply to message #8740]

Wed, 31 January 2018 02:21

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

WOW! That is a vintage parts set.

PM coming your way.

THANKYOU!

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Re: WTB/WFT - winding stem for a V4 [message #8772 is a reply to message #8741]

Sat, 10 February 2018 02:36

Timeticker
Messages: 568
Registered: June 2013
Location: Somewhere in the world

Gruen Master

Hmmmm, I may have that same box! I sold JackW one of those a few
years ago.

People you thought were your best friends will stab you in the back to your face!

Love them anyway.
A "Paradoxical Commandment"

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Re: WTB/WFT - winding stem for a V4 [message #8773 is a reply to message #8772]

Sat, 10 February 2018 23:24

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Timeticker wrote on Sat, 10 February 2018 02:36

Hmmmm, I may have that same box! I sold JackW one of those a few
years ago.

You did? Wonder what I did with it. It isn't every day that a V4 in on the bench in my house.

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Re: WTB/WFT - winding stem for a V4 [message #8782 is a reply to message #8773]

Mon, 12 February 2018 21:21

Timeticker
Messages: 568
Registered: June 2013
Location: Somewhere in the world

Gruen Master

Sold it to you for $25.00

People you thought were your best friends will stab you in the back to your face!

Love them anyway.
A "Paradoxical Commandment"

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Re: WTB/WFT - winding stem for a V4 [message #8795 is a reply to message #8782]

Tue, 13 February 2018 00:43

kastner
Messages: 339
Registered: May 2013
Location: Pasadena CA

Gruen Guildsman

Did the stem fit ok Jack?

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Re: WTB/WFT - winding stem for a V4 [message #8797 is a reply to message #8782]

Tue, 13 February 2018 01:55

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Timeticker wrote on Mon, 12 February 2018 21:21

Sold it to you for $25.00

I think I'd remember paying that much.

kastner wrote on Tue, 13 February 2018 00:43

Did the stem fit ok Jack?

Actually... ah, no. These apparently come in a positive and negative set flavor.
index.php?t=getfile&id=3660&private=0

If you'd like me to return it, let me know.

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Re: WTB/WFT - winding stem for a V4 [message #8799 is a reply to message #8797]

Tue, 13 February 2018 12:15

kastner
Messages: 339
Registered: May 2013
Location: Pasadena CA

Gruen Guildsman

How disappointing. I'm on a trip but when I get home I'll check the bottle to see if there were any other stems. No need to return that one.

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Re: WTB/WFT - winding stem for a V4 [message #8821 is a reply to message #8799]

Fri, 16 February 2018 02:41

Timeticker
Messages: 568
Registered: June 2013
Location: Somewhere in the world

Gruen Master

I'll look in my final box, too

People you thought were your best friends will stab you in the back to your face!

Love them anyway.
A "Paradoxical Commandment"

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Re: WTB/WFT - winding stem for a V4 [message #8823 is a reply to message #8821]

Fri, 16 February 2018 18:30

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Tomas and Jason,

Thank you for the offers. But don't worry about it....

Now I'm going tell you about a noob-level mistake in diagnosing an issue. Think it boils down to not working on enough pocket watches.

See the bend in the stem in that photo above? I thought that was the issue... but it isn't. That is a feature, not a flaw. The stem is two parts and that pivots. It was rusty and wasn't pivoting. I did not realize this until I pulled out the stem to replace it with the one from Jason. Cleaning the existing stem and improving the depth of the stem sleeve solved the winding issue as to why is was skipping. The second thing on this was that I needed to tighten the canon pinon too. That I did today. Soooooo..... I figure my story will help others.

Thanks again!

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Re: WTB/WFT - winding stem for a V4 [message #8824 is a reply to message #8821]

Fri, 16 February 2018 18:33

kastner
Messages: 339
Registered: May 2013
Location: Pasadena CA

Gruen Guildsman

No luck, sorry Jack.

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Re: WTB/WFT - winding stem for a V4 [message #8828 is a reply to message #8824]

Mon, 19 February 2018 15:08

Timeticker
Messages: 568
Registered: June 2013
Location: Somewhere in the world

Gruen Master

Great story............been there done that! So, I had the same stem Jason did. Sorry, but glad you got that fixed!

People you thought were your best friends will stab you in the back to your face!

Love them anyway.
A "Paradoxical Commandment"

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Re: WTB/WFT - winding stem for a V4 [message #8831 is a reply to message #8828]

Mon, 19 February 2018 15:56

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Learning.... that is what I'm doing still.

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Re: WTB/WFT - winding stem for a V4 [message #8854 is a reply to message #8797]

Wed, 21 February 2018 16:31

Thojil
Messages: 650
Registered: May 2013
Location: Concorès, France

Gruen Master

JackW wrote on Tue, 13 February 2018 02:55

Actually... ah, no. These apparently come in a positive and negative set flavor.

What I have found is that the V4 had the same negative setting they fitted to the Precision grades V3/V2/V1/VE at the start of production (serial 450,000).

Then around serial number 470k (earliest I have 472,370) positive setting appears, but negative setting was continued in parallel until at least serial number 522,170.
With at least 50k production between them, running out stock of the negative setting parts looks strange as an explanation.

My assumption why the V4 changed from negative to positive setting is that Gruen took the decision to commonize parts with the V2.5 and V1.5 that were introduced in 1910. A single piece stem is I guess cheaper to produce than a split stem solution.

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Re: WTB/WFT - winding stem for a V4 [message #8856 is a reply to message #8854]

Thu, 22 February 2018 03:43

JackW
Messages: 1981
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

I was curious about this. It seems like there was some overlap, but I couldn't put anything empirical to that gut feeling. I'm going to move your comment over to the V4 thread in the caliber database. Unless you object to that...

Cheers!

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