Vintage Gruen: The caliber database » Caliber 626 (& Caliber 101 disambiguation)

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Caliber 626 (& Caliber 101 disambiguation) [message #11684]

Fri, 22 November 2019 14:30

Case
Messages: 1178
Registered: May 2019
Location: Cincinnati

Gruen Authority

[Rampant edits] Had previously posted this on the sister caliber 103 thread, but I noted the 101/626 had not been documented. Thanks to Liz for help below with disambiguation of the two.

Here is an early WSC variant. 8 3/4 ligne. 16J, 3ADJ. Dial back stamped "101" (dials interchangeable). Front plate has the FHF patent, plus the lot # "17 7577". Could it be the maker was kind enough to mark the make year? "17" = 1917?

Dr. Rannft has cataloged this as the FHF Factory Robert (Gruen Factory R) 8.75'" movement herehttp:// www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2 uswk&Gruen_101. Haven't seen any front plate marks for Factory R, to see if my example matches the style & indicates it was finished there or ebauched to another factory. Most likely sourced directly from FHF/Factory R. Different from the 101, which was sourced as an ebauche from FHF & finished at the Gruen factory (first as regular adjusted, then ca1922 becoming a "precision" caliber)

Caliber 626
Configuration: Hunter
Example date: approx. 1917
Diameter: 8.75 ligne (approx 19.7mm)
Jewel count: 16
Adjustments: 3
Dial feet positions: 10 & 4
Dial release mech: release screws on back plate

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Attachment: 101 WSC (back).jpeg
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Attachment: 101 WSC (dial back).jpeg
(Size: 883.49KB, Downloaded 1308 times)
Attachment: 101 WSC (dial front).jpeg
(Size: 825.37KB, Downloaded 1336 times)
Attachment: 101 WSC (front).jpeg
(Size: 858.05KB, Downloaded 1351 times)
Attachment: 101 WSC (lot).jpeg
(Size: 754.90KB, Downloaded 1332 times)

My two caveats:
1) I'm wrong many times a day --just ask my wife!
2) Always seeking to learn more

[Updated on: Mon, 25 November 2019 14:48]

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[Message index]

		Caliber 626 (& Caliber 101 disambiguation) By: Case on Fri, 22 November 2019 14:30
		Re: Caliber 101 By: timeliz on Fri, 22 November 2019 15:05
		Re: Caliber 101 By: Case on Fri, 22 November 2019 21:49
		Re: Caliber 101 By: timeliz on Fri, 22 November 2019 23:26
		Re: Caliber 101 By: Case on Sat, 23 November 2019 03:42
		Re: Caliber 101 By: timeliz on Sat, 23 November 2019 04:03
		Re: Caliber 626 (& Caliber 101 disambiguation) By: Case on Mon, 25 November 2019 14:55

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