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Home » The Gruen Model Database » 1930's » Curvex Duchess 1937 520
Curvex Duchess 1937 520 [message #113] Sun, 12 May 2013 08:48 Go to next message
Jenneke is currently offline  Jenneke
Messages: 1896
Registered: May 2013
Location: Netherlands
Gruen Authority
Model name : Duchess
Type : Curvex wristwatch
Period/date : 1937
Gender : Female

Case Maker : Wadsworth
Case Material : 14k gold filled
Case Serial : 3097862
Case Style no : 272

Caliber : 520 (17 jewels, precision)
Movement Maker : ?
Movement Serial: 349512

Bracelet : Plated metal cord

Other info :

index.php?t=getfile&id=24&private=0
index.php?t=getfile&id=25&private=0
index.php?t=getfile&id=26&private=0
  • Attachment: Ad 1937.JPG
    (Size: 11.71KB, Downloaded 751 times)
  • Attachment: Back.jpg
    (Size: 67.12KB, Downloaded 722 times)
  • Attachment: Front.jpg
    (Size: 37.91KB, Downloaded 748 times)


You can only waste time if you forget to enjoy it - Loesje

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Re: Curvex Duchess 1937 520 [message #19089 is a reply to message #113] Fri, 04 October 2024 18:10 Go to previous messageGo to next message
koskid is currently offline  koskid
Messages: 27
Registered: March 2014
Location: The Peninsula
Gruen Apprentice
Here's one that I've had for a long time sitting in the drawer with a broken staff. After a little research I got it running using the entire balance from a 329 movement, bridge and all. The 329 balance bridge and balance seems to be identical with the 520 movement. I suspect a lot of other parts are common between these movements.

/vgforum/index.php?t=getfile&id=11220&private=0
  • Attachment: IMG_9389.jpeg
    (Size: 851.78KB, Downloaded 36 times)

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Re: Curvex Duchess 1937 520 [message #19090 is a reply to message #19089] Fri, 04 October 2024 21:35 Go to previous messageGo to next message
Jenneke is currently offline  Jenneke
Messages: 1896
Registered: May 2013
Location: Netherlands
Gruen Authority
Nice! I am trying to restaff one of those caliber 520.

Like your bracelet too.

You can only waste time if you forget to enjoy it - Loesje

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Re: Curvex Duchess 1937 520 [message #19091 is a reply to message #19090] Sat, 05 October 2024 01:27 Go to previous messageGo to next message
koskid is currently offline  koskid
Messages: 27
Registered: March 2014
Location: The Peninsula
Gruen Apprentice
I was ready to re-staff this watch and while looking to buy the staff I realized that the same staff is used on the 329 and several other movements. I was able to get a used working 329 for less than buying just the staff. Swapping the whole balance was a lot easier than re-staffing the 520. I was a little surprised the bridge fit. Usually the alignment pins don’t line up on the other movement.

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Re: Curvex Duchess 1937 520 [message #19093 is a reply to message #19091] Sun, 06 October 2024 14:57 Go to previous message
JackW is currently offline  JackW
Messages: 1906
Registered: May 2013
Location: Denver
Gruen Authority
Head Janitor
Site Admin
koskid, could you post an image of the two watch movements? The 329 and the 520? Seems the top plates are different.

All I know is based on hard work & writing by others. I can only aspire to augment this body of knowledge. If I am wrong it is because of my own failings. -me

"If I have seen farther it is by standing on the shoulders of giants." - Newton

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