Vintage Gruen: The caliber database

Sat, 17 September 2022 00:35

Ephemerald
Messages: 1039
Registered: October 2018

Gruen Authority

Missed this post but found it after czeching out some of my Gruen Industries watches bc of latest talk.

I found I have one of these 515ss from France, no Alpina mark like yours, that is curious! Was Alpina finishing these for Gruen? Also a Style 046. But I got interested in Jeambrun the ebauche maker, fascinating company, good start here.

https://rbfc-gertrude-diffusion-prod.atolcd.com/dossier/usin e-d-horlogerie-usine-d-ebauches-de-montre-joseph-jeambrun-pu is-d-ebauches-de-mouvements-et-de-montres-france-ebauches/2d 39fb47-903e-496a-9261-dafb7c5e21b3#doc

They are clearly high quality watches. The case is stainless and also made in France. Man, I'd love to find out the casemaker. Any ideas?
My serial is 30148. It fits somewhere!
All in all it's kinda cool having an all French Gruen..Didn't realize I had one til today.

		Caliber 515SS By: Case on Thu, 16 September 2021 14:16
		Re: Caliber 515SS By: Gary on Thu, 16 September 2021 15:52
		Re: Caliber 515SS By: afire on Thu, 16 September 2021 16:12
		Re: Caliber 515SS By: Case on Thu, 16 September 2021 16:57
		Re: Caliber 515SS By: Ephemerald on Sat, 17 September 2022 00:35
		Re: Caliber 515SS By: Ephemerald on Thu, 22 September 2022 17:00
		Re: Caliber 515SS By: Barney Green on Fri, 23 September 2022 12:20
		Re: Caliber 515SS By: Ephemerald on Fri, 23 September 2022 16:58
		Re: Caliber 515SS By: Ephemerald on Fri, 23 September 2022 18:26
		Re: Caliber 515SS By: Case on Mon, 26 September 2022 12:36
		Re: Caliber 515SS By: Case on Mon, 26 September 2022 13:06
		Re: Caliber 515SS By: Barney Green on Mon, 26 September 2022 17:23
		Re: Caliber 515SS By: Ephemerald on Mon, 26 September 2022 19:39
		Re: Caliber 515SS By: Barney Green on Mon, 26 September 2022 19:59
		Re: Caliber 515SS By: Ephemerald on Sun, 18 December 2022 20:16

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