Vintage Gruen: The caliber database » Precision Caliber 90 / 91 / 92 / 93 (Gruen Watch Co.)

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Re: Precision Caliber 90 / 91/ 92 / 93 (Gruen Watch Co.) [message #15575 is a reply to message #11290]

Fri, 24 September 2021 17:29

Case
Messages: 1178
Registered: May 2019
Location: Cincinnati

Gruen Authority

Adding the Caliber 90 / 91 (15J variant), this one with sub-seconds, circa 1912-13, American set, with the old style setting bits. Dial appears to possibly be Flückiger/Zelim Jacot, with number format matching Jenneke’s 756 posted today, but no ZJ stamp.

Any ideas what “Adjusted” means in this case?

Barney already showed 90-93 in the Sept 1911 filing. Next to it, Cal 47 ? Or perhaps the hunter version of Cal 89 (Caliber 88)?

https://vintagegruen.org/vgforum/index.php?t=getfile&id=6499&

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		Precision Caliber 90 / 91 / 92 / 93 (Gruen Watch Co.) By: Case on Mon, 07 October 2019 17:13
		Re: Precision Caliber 90 / 91/ 92 / 93 (Gruen Watch Co.) By: Case on Fri, 24 September 2021 17:29

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