Vintage Gruen: The caliber database » The Caliber ... [I guess I get to name it, but I'm just speechless right now]

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Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] [message #14314 is a reply to message #14306]

Mon, 11 January 2021 02:43

thesnark17
Messages: 654
Registered: January 2017

Gruen Master

So... I was looking it over again, to see if I had missed anything. I thought it felt kind of light and told myself I must be imagining things. But I thought, what if it is thinner than a normal V4? It would be lighter. So I compared edge on to a V4, and what do you know, it was thinner. But, I thought to myself, this must be in error! Or maybe the different grades have different thicknesses?

Yep. Definitely caliper time. So I measured. And foun I could not believe my measurements, so I did them again. Thus the multiple samples below.

Each movement measured at four spots on the main plates, and twice on the balance cock.

Results (no dial or hands):
V1 Suisse
Plate Thickness 4.0-4.1 mm
Balance cock 3.7 mm
V3 Madretsch
Plate Thickness 3.7-4.1 mm
Balance cock 3.65 mm
V4 Madretsch (prototype 128k)
Plate Thickness 3.7-4.1 mm
Balance cock 3.65 mm
V4 Suisse
Plate Thickness 3.7-4.1 mm
Balance cock 3.65 mm
V7 Switzerland (late model)
Plate Thickness 4.0-4.2 mm
Balance cock 3.65 mm

UV model
Plate Thickness 3.2-3.4 mm
Balance cock 2.75 mm

This V? Grade
Plate Thickness 3.6-3.7 mm
Balance cock 3.25 mm

Uh, what????

I think I'll go take some more measurements now.

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[Message index]

		The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Sun, 10 January 2021 04:51
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Ephemerald on Sun, 10 January 2021 04:58
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Sun, 10 January 2021 05:16
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Barney Green on Sun, 10 January 2021 11:32
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Sun, 10 January 2021 15:45
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Case on Sun, 10 January 2021 19:21
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 11 January 2021 02:43
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 11 January 2021 03:01
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Case on Mon, 11 January 2021 04:01
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 11 January 2021 04:39
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 20 November 2023 04:18
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Jenneke on Mon, 20 November 2023 05:17
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 20 November 2023 12:35
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: JackW on Tue, 21 November 2023 01:04
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Tue, 21 November 2023 01:57
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Mon, 12 February 2024 02:27
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: JackW on Tue, 13 February 2024 14:10
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: thesnark17 on Tue, 13 February 2024 22:58
		Re: The Caliber ... [I guess I get to name it, but I'm just speechless right now] By: Jenneke on Tue, 13 February 2024 23:37

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