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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 : Calibre 94. 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.

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1910's and prior | 10 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?)
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Example 2: 15J (146/147?)
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Example 3: 17J (148/149?)
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The caliber database | 1 comment

Gruen B.C.N make

Gray hard case with turquoise colored lining; Wed, 26 August 2020 21:07

Period : Probably 50's...possibly late 40's

Have never seen an ad with this case,
and this is the only one of these I've ever seen.

Watch type : Gruen Precision Very Happy

Patents : Patent hunters - ready, set, go...

Box maker : BCN

This is missing the watch holder, which I will be attempting to recreate.
Will update post when completed.

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1950s | 3 comments

Ladies Bracelet Watch

Can you help me identify?; Tue, 25 August 2020 20:52

Model name : ?
Type : Bracelet Watch Ladies
Period/date Confused
Gender : Ladies

Case Maker : Gruen
Case Material Confused
Case Serial Confused
Case Style no : ?

Caliber : ?
Movement Maker : ? IDK how to get the back off
Movement Serial: ?

Bracelet : yes

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Model Identification and discussion | 10 comments

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

Cal 916 -17j , 6 1/2 '" (915 -15j; 917 -7j)

Ladies model; Sun, 23 August 2020 23:05

First introduction I see is in the 1939 Material Catalog #539.

I can only make out 14 different models in the MB with this movement.

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Stamped initials - ZJ
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The caliber database | 3 comments

Octagon 10 1/2 ligne WR4

Fri, 21 August 2020 20:37

Model name : WR 4
Type : wristlet
Period/date : 1927/ 1928
Gender : Ladies

Case Maker : wadsworth
Case Material : gruen ultra quality
Case Serial : 806777
Case Style no : none

Caliber : 885
Movement Maker : ?
Movement Serial: 169510

Bracelet : 1/20 10kt g f Kreisler USA

Other info :

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Model Identification and discussion | 6 comments

Octagon 8 3/4 ligne

Fri, 21 August 2020 20:20

Model name : unknown
Type : Ribbon wristlet
Period/date : 1915 - 1920
Gender : Ladies

Case Maker : Gruen
Case Material : 14k green gold
Case Serial : 40101
Case Style no : no number (101)

Caliber : 101 (or 100) (15 jewels 2 adjs suisse)
Movement Maker : Gruen W Co (based on FHF Robert 8 3/4 ligne)
Movement Serial: unknown

Other info : nice lizard strap. Monogram HME. Might be the Plate 24D guild book 1918? RO = round octagon

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Model Identification and discussion | 5 comments

Wooden shipping box

Fri, 21 August 2020 19:56

Wooden shipping box - Missing the lid (bummer!).

Purpose: possibly for transporting movements?

Period: 1910's

Box measurements: 2 3/4" deep x 5 5/8" long x 4 3/8" wide

Box maker: unknown

All four sides have the same printing.


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1910s and prior | 9 comments

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