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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.

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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)

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1940s | 7 comments

The caliber 35

Mon, 17 August 2020 00:02

Type : pocket watch
Period/date : 1900-1920
Gender : men's

Caliber : 35
Movement Maker : Gruen
Size: 12 size with spacer ring, 17''' without

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17 jewel variant
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21 jewel variant
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While the 17 jewel variant lacks the top-end chronometer balance and the 21 jewel has it, there exist 17 jewel variants with the top-end balance and 21 jewel variants without.

Whether there are different caliber numbers for the different jewel counts and configurations is for someone else to research. I call both of these "caliber 35" because that's what I was told they were, years ago. I have no documentation.

The caliber database | 3 comments

Possible Caliber 60 (21J sister to Cal 35) - Madretsch - 17’” Open Face

Sun, 09 August 2020 04:05

Asking for help on this one. I can find no match in my sources.

Caliber: ??
Type: Pocket
Layout: open face
Setting: negative/American
Size: measures just over 38mm (17 ligne / 10 Size)
Signature: G. W. Co.
Maker: unknown

Jewels: 21 (#s only)
Adj: “All Positions”
Movement number: 457174 (on bridge; matching dial side sn)
Example date: late 1913-beginning 1914 production
Dial: 2-piece Ceramic, signed “Gruen”
Dial maker: unmarked
Other marks: “Safety Pinion” (center jewel), “Adjusted” (balance cock)
“Madretsch” (main plate by escape)
*not marked Precision*

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The caliber database | 18 comments

Baguette ???

Sat, 08 August 2020 23:51

Model name :
Type : Baguette
Period/date : Early 1930's.
Gender : Ladies.

Case Maker : GRUEN 5th AVE. (likely K&O)
Case Material :14k white gold, 8 diamonds.
Case Serial : 53476
Case Style no :

Caliber : 161
Movement Maker : Gruen Guild
Movement Serial: 23939.

Bracelet :14k white gold, silk cord.

Other info : Not in the Book and no known ads of this model, yet.

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1930's | 5 comments

Baguette 551

Sat, 08 August 2020 23:18

Model name : Baguette 551
Type : Baguette
Period/date : 1936-ish
Gender : Ladies

Case Maker : K&O (Katz & Ogush)
Case Material :14k yellow and white "solid gold", 12 diamonds.
Case Serial : 55011
Case Style no :

Caliber : 300
Movement Maker : Gruen Watch Co.
Movement Serial: 673446.

Bracelet : GEMEX Pat Pend. Made in USA.

Other info :


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1930's | 3 comments

Baguette 306

Sat, 08 August 2020 17:57

Model name : Baguette 306.
Type : Baguette
Period/date : 1932
Gender : Ladies

Case Maker : GRUEN 5th AVE (likely K&O)
Case Material : 14k white gold, 2 diamonds.
Case Serial : 54658
Case Style no :

Caliber : 161
Movement Maker : Gruen Guild
Movement Serial: 29486

Bracelet : Harwood Sterling

Other info :.

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1930's | 12 comments

Wristlet Paris square 5

Fri, 07 August 2020 13:34

Model name : WR Paris Square 5
Type : Wristlet
Period/date : 1926/1927
Gender : ladies

Case Maker : Wadsworth
Case Material : Ultra Quality 14k Gold filled
Case Serial : 5254316
Case Style no :

Caliber : 885 (3 adj 15 jewels)
Movement Maker :
Movement Serial: 111307

Bracelet : None
Other info: case needs a clean Very Happy

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1920's | 20 comments

Wristlet XXIX

Fri, 07 August 2020 13:06

Model name : XXIX
Type : Wristlet
Period/date : 1921
Gender : ladies

Case Maker : Wadsworth
Case Material : Ultra Quality Gold filled
Case Serial : 677382
Case Style no :

Caliber : 98/99 (9 3/4 Ligne, 4 adj 15 jewels)
Movement Maker :
Movement Serial: -

Bracelet : None
Other info : 15 repair marks inside the case back. Someone loved it. Could this be a silk ribbon wristlet XXIX R723 from the 1917 book? But it is not 25yr gold filled...


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1920's | 4 comments

Ladies Watch Box

Tue, 04 August 2020 05:19

Description. Grey ladies display case.


Period :Early 1950's
Watch type :Veri-Thins. Curvex
Size :
Inventor :Blod & Blumenfeld (Assigned to Gruen Watch Co)
Patents :166295.(Filed Sept 21 1950. Patent April 1 1952.)

Box maker : designed by E.C.B. Co. Buffalo, N Y., molded by Rathbun, icensed from "Beetle" A.C.C.

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1950s | 15 comments

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