Vintage Gruen
The forum for Gruen watch enthusiasts

Pan Am

Recently finished; Fri, 03 October 2014 21:19

index.php?t=getfile&id=1729&private=0index.php?t=getfile&id=1728&private=0Take a look at this! Just finished and being calibrated. Original dial, new crystal, polished case, and serviced. What a beauty! Ok, do I win a million dollars now?

Watch Tables | 6 comments

Strap 675

Veri-Thin; Mon, 08 September 2014 01:10

Model name :Strap 675
Type :Veri-Thin
Period/date :1952
Gender :Gents

Case Maker :Wadsworth
Case Material :10K GF with guildite back
Case Serial :L252366
Case Style no :711

Caliber :435
Movement Maker :Gruen
Movement Serial:

Bracelet :

Hi - I'm new to the forum. I purchased this as part of a lot on eBay, and I was wondering if someone could help me identify it or point me to where I could look.


1950's and Up | 5 comments

Diamond Julia

Sat, 09 August 2014 21:51

Model name :Diamond Julia
Type :
Period/date :1960's
Gender :Ladies

Case Maker :Gruen
Case Material :14K SG
Case Serial :
Case Style no :

Caliber :225R
Movement Maker :Gruen
Movement Serial:

Bracelet :

Hi, my Dad gave this watch to my Mom many years ago, and she has passed it on to one of my daughters. It doesn't work, but appears intact, so I think it may only need cleaning. However, I want to be sure it is done properly, so am seeking advice on the model and on the best way to approach getting it in working order.

Inside the case, it reads:
Cased and timed in USA by Gruen watch co.
14K gold

On the movement, it reads:
17 seventeen jewels swiss
(on an angle there is a word) unadjusted
Gruen watch co.

thanks for any help,


1950's and Up | 3 comments

Import 274

Men's Rectangular Waterproof ; Tue, 15 July 2014 15:33

Model Name: Import 274
Type: Rectangular Waterproof
Period/date: Early 1950s, Possibly Late 1940s
Gender: Men's

Case Maker: Unknown, Possibly Gabus Freres
Case Material: Guildite (Stainless Steel)
Case Serial: 17934 B
Case Style no: N/A

Caliber: 430
Movement Maker: Gruen - Precision Factory
Movement Serial:

Bracelet: Aftermarket Leather Strap

Other Info: One of Gruen's few waterproof rectangular watches. Since a round screwback isn't an option, Gruen employed a system whereby brackets between the lugs push the caseback into the bezel and a rubber gastket under the crystal seals to the caseback, rendering the case (at least in theory) fairly waterproof. And there's also a split stem with a rubber gasket. I won't wear it diving, but I might wear it in the rain. Other brands, such as Wyler and Croton, had nearly identical models. In fact, the aftermarket crystal fitted to this watch, and the last one I owned, is the one sold for the Croton Aquatime. My speculation is that the case may have been made by Gabus Freres because I've seen one positive ID of a Gabus Freres case that had the same script for Guildite, but that's not enough to say for certain. I placed it in the early 1950s because I once had an example with a 1950 or 1951 dedication. But it certainly might have been around in the late 1940s.

1950's and Up | 9 comments

Quadron 84

Fri, 20 June 2014 20:12

Model name : Quadron 84
Type : Quadron
Period/date : 1930
Gender : male

Case Maker : Wadsworth
Case Material : 14k gold filled reinforced with extra gold (green gold)
Case Serial : 5441696
Case Style no : 8W

Caliber : 157
Movement Maker : Marc Favre et cie
Movement Serial: 1110838

Bracelet : Sturdy with sliding folding ratchet buckle and flattened heavy soldered curb link chain effect

Other info : No repair or cleaning marks inside the case!


1930's | 11 comments

Tank 9

my steal; Fri, 20 June 2014 19:20

Model name : Tank 9?
Type : tank
Period/date : 1923-1930
Gender : male

Case Maker : Gruen
Case Material : 14k gold reinforced with metal (green gold filled)
Case Serial : 2003250
Case Style no : 55

Caliber : 99
Movement Maker : Gruen
Movement Serial: -

Bracelet :

Other info : The method of constructing the Tank is patented Feb 16, 1926 by patent US1573134 "watchcase and process for making same".
This Tank has not the patented dust proof crown construction.


1920's | 5 comments

Veri-Thin Portia

Veri Thin 1941 484/210; Sun, 15 June 2014 17:40

Model name :Portia
Type :Veri-Thin
Period/date :1940's
Gender :

Case Maker :
Case Material :
Case Serial :
Case Style no :484

Caliber :210
Movement Maker :
Movement Serial:

Bracelet :

Other info :

hundreds of pics looked over, many very similar,index.php?t=getfile&id=1548&private=0 but have never seen its twin, any help appreciated. Will try for clearer pics. Any idea on value?index.php?t=getfile&id=1549&private=0index.php?t=getfile&id=1550&private=0

1940's | 2 comments

Strap 42

Wed, 04 June 2014 08:50

This cushion case arrived last week for which I had put in a very low bid and got it. It has the dial design and movement (Cal. 707) of a "Strap 41/42", but the case is not matching. That has the shape of a "Strap 17" or "24" in what I thought to be white gold filled. But the bezel and centre case are done in silver, which I have not been able to find in any of the ID guides as material for this case shape.

However it turned out to be a bit of a Franken watch unfortunately as the original case back is missing. The case back is in WGF and not Gruen Sad I'm pretty sure the rest is original though.

Anyway, after a partial refund and shipping it back being more expensive than what I paid for it I decided to keep it. At the end the strap only was already worth the money Twisted Evil.

So, can anybody ID this model assuming it has the original silver casing? I have found these cases in solid gold, gold filled and nickel, but not in silver.

p.s. if anybody has a scrap case for this... Smile

Picture is from the seller.

1920's | 4 comments

Suttle differences in Precision Automatic

Mon, 19 May 2014 20:50

So the 25 jewel Precision automatic arrived in the mail today. I was satisfied, but I did notice a very minor difference on the face of the one I bought and my Dad's version. See if you can find the difference at different lengths. When I bought the watch from e bay I did not notice it until I received it in the mail.

Below are a series of photos, the one with the goldtone band is my Dads watch, the other is the one I just got in the mail. Once you find the difference tell me if it was common for Gruen to do this. Or what it might reveal about the place that the watch was manufactured.




Watch Tables | 9 comments

caliber N510R c1965

Wed, 07 May 2014 20:09

Model name : Unknown until an advertisement is found, if ever.
Type : Precision
Period/date : c. 1965 (Ranfft)
Gender : Mens

Case Maker : LF logo - possibly Louis Frey? (mock-up shown below)
Case Material : 10 microns green gold plate on brass base metal/stainless steel back
Case Serial : none
Case Style no : none

Caliber : N510R, 17j (N = adjustable stud carrier; R = Incabloc shock protection)
Movement Maker : Gruen Watch Co. Switzerland
Movement Serial: none

Bracelet : non-original leather strap

Other info :

1950's and Up | 2 comments

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