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Home » The Gruen Model Database » The caliber database » Semithin 754/756/758 (Pocket watch movement)
Semithin 754/756/758 [message #15573] Fri, 24 September 2021 15:54 Go to previous message
Jenneke is currently offline  Jenneke
Messages: 1980
Registered: May 2013
Location: Netherlands
Gruen Authority
Type : Pocket watch
Period/date : 1920-1930
Gender : Men's

Caliber : 756 (17 jewels), others are 754 (15 jewels) and 758 (16 jewels)
Gruen Guild - Adjusted temperatures
Size: 17ligne
Movement Maker : Lavina
Movement Serial:

Dial release: side screws

Other: The detent and detent spring make it hard to pull out the crown to set the watch. Dial made by Flueckiger et Fils/ Zelim Jacot dial factory: https://www.diju.ch/f/notices/detail/6494

/vgforum/index.php?t=getfile&id=8565&private=0
/vgforum/index.php?t=getfile&id=8574&private=0
/vgforum/index.php?t=getfile&id=8567&private=0

Edit: corrected 758 jewels

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

[Updated on: Sat, 25 September 2021 06:55]

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