Vintage Gruen: 1950's and Up » Gruen Two Register Chronograph

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Gruen Two Register Chronograph [message #7584]

Mon, 26 December 2016 16:39

Thojil
Messages: 652
Registered: May 2013
Location: Concorès, France

Gruen Master

Model name : Unknown
Type : Chronograph
Period/date : approx. 1968-1969
Gender : Male

Case Maker : na
Case Material : Stainless steel
Case Serial : na
Case Style no : na

Caliber : 770R
Movement Maker : Valjoux 7730
Movement Serial: na

Bracelet : Leather "race" strap

Other info : From my perspective the period 1960-1970 is an underrated period for Gruen in which they produced some high quality and interesting models. For me this Chrono is certainly one of them. The same case also existed with what is referred to as a Panda dial, black with a white telemeter ring, seconds and minutes sub dials.
The Valjoux 7730 with cam switching operating system was originally developed by Venus in 1948 and was known as calibre 188 until Venus was absorbed by Valjoux who renamed it in 1966.

Because of its relative large diameter of 37mm it has a "modern" wrist presence.

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