Vintage Gruen: 1950's and Up

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Gruen Alarm [message #19519]

Sun, 01 June 2025 16:05

Jenneke
Messages: 2002
Registered: May 2013
Location: Netherlands

Gruen Authority

Model name: Gruen Alarm
Type: wristwatch
Period/date: 1958-1960
Gender: male

Case Maker: unknown, waterproof
Case Material: 10k RGP bezel, stainless steel back
Case Serial: none
Case Style no: 258A

Caliber: 940RSS (seventeen jewels, unadjusted.
Movement Maker: Venus (cal 230)
Movement Serial: none

Other:
Dial has RA Swiss on it. Yup, still radioactive. When the alarm is on the dot is green, normal mode the dot is red. Unusual is only one barrel. Movement patent is 2803940 ( https://docs.google.com/viewer?url=patentimages.storage.goog leapis.com/pdfs/US2803940.pdf)

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

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Re: Gruen Alarm [message #19520 is a reply to message #19519]

Sun, 01 June 2025 16:08

Jenneke
Messages: 2002
Registered: May 2013
Location: Netherlands

Gruen Authority

This watch makes a cricket sound. Having only one barrel, using it drains the running time. 😅

It has a small hammer. Inside the case back is a pin to add some extra noise.
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