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Strap 17

826ss green gold; Fri, 04 September 2020 00:02

Model name : Strap 17
Type : wristwatch
Period/date : 1922??
Gender : Men's

Case Maker : Gruen
Case Material : green gold
Case Serial : 1067788
Case Style no : none

Caliber : 826ss [case correctly marked 827]
Movement Maker : Gruen Guild
Movement Serial: none

/vgforum/index.php?t=getfile&id=7065&private=0

1920's | 12 comments

High oblique Service box brown

Tue, 01 September 2020 07:56

Description
Fake leather paper and wood box. Greek golden rim. Sloping watch holder (not original).gruen service crest inside.

Period : 1925-1930
Watch type : unknown (wristlet?)
Size : 11cm wide, 4 cm high, 6.2 cm deep.
Inventor : unknown
Patents : pat. Mar. 10. 1925 (USD66772 Harold R Haerr) & pat. Pending

Box maker : unknown

/vgforum/index.php?t=getfile&id=7031&private=0

1920s | 15 comments

Cal 840 (841) - 5.5’” 18J Extra Precision

Favre ; Mon, 31 August 2020 13:24

Classified “Extra Precision” in my 1926 parts catalogue, although not stamped with the diamond. Have yet to encounter the top-winding 841, which I presume is in necklace models. Showing a bridge side pic from my original copy of 26 parts catalogue.

Dims: 5.5 x 10 ligne
Dial mounts: 2 dial side screws
Front plate marks: sn & “A 32”
Dial maker: unsigned (illegible stamp, possible import or American Art Enamelers)
Dial markings: no “Switzerland”; has 2 serial #s etched in back: “179928” (matches movement) & “1023408”

/vgforum/index.php?t=getfile&id=7000&private=0

The caliber database | 18 comments

Cartouche 23

Mon, 31 August 2020 01:24

Model name : Cartouche 23, Sapphire variant
Type : Cartouche
Period/date : 1924-26
Gender : Female

Case Maker : GRUEN Cincinnati
Case Material : 14k white gold, Sapphires
Case Serial :1084398
Case Style no : 53

Caliber : Cal 833 (Rolex 250)
Movement Maker : Aegler
Movement Serial:1380797

Bracelet : Speidel. Not original.

Other info :.

/vgforum/index.php?t=getfile&id=6984&private=0 .

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1920's | 8 comments

Outing/Military wrist watch

Sun, 30 August 2020 22:24

Model name : "Outing wrist watch" "the Gruen military watch"
Type : Outdoor/military
Period/date :1915-
Gender : Male

Case Maker : Gruen Watch Co.
Case Material : .935 silver
Case Serial :n/a
Case Style no :n/a

Caliber : Calibre 47. Seventeen (17) Jewels. Adjusted. 5 positions.
Movement Maker : Gruen Watch Co.
Movement Serial:

Bracelet :

Other info :. Suisse. Rampant Bear.

/vgforum/index.php?t=getfile&id=6976&private=0 .

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1910's and prior | 2 comments

Cal 850/852/854 (15/17/19J) - 17’” (10S) OF

Guild Factory V - Marc Favre ebauche / Lavina finished; Fri, 28 August 2020 04:47

Here is the only observed “Factory V”-stamped caliber family. The forum previously confirmed “Factory V” as Lavina, who also supplied the 740/750 716, & 720 pocket caliber families, among other cals.

Production Dates: ca1919-22 (all “Guild” & pre-1922 tariff stamps for adjustments)

Maker/Finisher: The curious thing is, the 850s are not in-house Lavina movements. They have no Lavina serial numbers on the dial side—just a letter + 2-3 digit number code. Yep, these were supplied by Marc Favre (like the early V7s from this time) & finished by Lavina. The finger bridges may be unique to Lavina.

Identification: All variants are stamped “850” in tiny font between bridges, but this is hard to see in seller pics. One of Mike’s books shows a “Factory V”-stamped movement, mislabeling it as a cal 740. It is actually an 850. They're the same size & have similar bridges, but the click location is one easy differentiator without removing the dial: the 850 family clicks are on the opposite side of the wheel vs 740/750 family.

Variants: (all stamped “850”)

15J, 3ADJ: 850 —> “Factory V” stamp
/vgforum/index.php?t=getfile&id=6959&private=0

17J, 3-5ADJ: 852

19J, 4-5ADJ: 854

The caliber database | 4 comments

Early Wristlet

Thu, 27 August 2020 06:15

Model name :Unknown model
Type : Wristlet.
Period/date :. 1913-
Gender : Female.

Case Maker : Unknown maker; JP
Case Material : .935 "Sterling Silver"
Case Serial :
Case Style no :n/a

Caliber : Cal 94. Subseconds variant is Calibre 95. Fifteen (15) Jewels.
Movement Maker : Gruen Guarantee
Movement Serial: n/a

Bracelet : n/a

Other info : Case marked: JP. Sterling silver. .935. Rampant Bear. United. W. Co.
Suisse. Roman numeral I VI on back bezel.

/vgforum/index.php?t=getfile&id=6942&private=0

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1910's and prior | 32 comments

Cal 146/147/148/149 (not 142/143) - 9 3/4’” - 15J/17J

Gruen W. Co - Factory T; Thu, 27 August 2020 03:16

Here’s one where setting bits are so similar that later Gruen documents seem to have flipped them, similar to the cals 849 & 861.

The layout, markings, and dial side serial number placement/format are identical to the 10.5L Guild movement stamped “Factory T.” This one was always marked “Gruen W. Co” during the same time, judging by serial numbers.

Example 1: 15J (146/147?)
/vgforum/index.php?t=getfile&id=6925&private=0

Example 2: 15J (146/147?)

Example 3: 17J (148/149?)

The caliber database | 1 comment

Convertible Wristlet

Mon, 24 August 2020 22:27

Model name : Unknown model
Type : Convertible wrislet
Period/date : 1914-
Gender: Female

Case Maker : GRUEN National Watch Case Co.
Case Material : 14k
Case Serial : 200332
Case Style no : n/a

Caliber : Calibre 94. Fifteen (15) Jewels.
Movement Maker : Gruen Guarantee.
Movement Serial:n/a

Bracelet : Foster U.S.A. Not original.

Other info : Dust cover marked 1DG4.

/vgforum/index.php?t=getfile&id=6895&private=0

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1910's and prior | 4 comments

Blue observatory

Mon, 24 August 2020 20:41

Description
Blue box in the shape of an observatory. With text Gruen the precision factory, measurement marking and a gruen crest. Underneath Gruen Time Hill, cincinnati. Made in USA. Blue velvet insert with watch holder.

The design was inspired by the old observatory shown in the 1929 guild book (probably neuchatel). The exact length of a second was determined by the motion of the earth around the sun. The precise optics in observatories allowed a precision measurement for time.

Period : 1948 -1950
Watch type : veri-thin
Size : tbd
Inventor : unknown
Patents : unknown (patents pending)

Box maker : B. C. N. Design Products, Inc. of Middle Village, NY (doing business also under the name “Braun-Crystal Mfg. Co)

/vgforum/index.php?t=getfile&id=6889&private=0

1940s | 7 comments

Vintage Gruen

The forum for Gruen watch enthusiasts.

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