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Home » The Gruen Model Database » The caliber database » Caliber 89 (Extra Precision) – 8.75'" 18J, All Adjustments
Re: Caliber 89 (Extra Precision) – 8.75'" 18J, All Adjustments [message #14524 is a reply to message #14523] Tue, 16 February 2021 20:10 Go to previous messageGo to previous message
Barney Green
Messages: 1726
Registered: February 2014
Location: Wolfsburg, Germany
Gruen Authority
Jenneke,

LeCoultre may most likely have just provided the ebauche as caliber 6, not a finished movement. This was the common procedure, that someone provided raw movements, the ebauches, and another company like for example Cattin made complete movements from these ebauches. Other third partries were involved got galvanisation for example so that very often the movements went through several factories before a watch was built from them.
This has been the Swiss way at that time and this is something Gruen wanted to change with the precision factory.
It now makes it often very difficult to find out who did which steps. Sometimes it is a little easier when the factory was acting a little more modern and provided finished movements from ready made ebauches.

Barney


Gruen, Gruen, Gruen ist alles was ich habe... Gruen, Gruen, Gruen is all I have...(German folklore song)
 
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