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The caliber 410 [message #654]

Thu, 13 June 2013 20:47

JackW
Messages: 2012
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

This is the caliber 410, a 17 jewel movement that is 10.5 ligne or 23.7mm in diameter. Almost all parts will interchange with others in the 405-series. The only difference between the 410 and the 420 is the size; other wise it is fully interchangeable. These movements are always marked with the caliber number in the space next to the balance wheel and the cap jewel for the escape wheel.

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[Updated on: Thu, 13 June 2013 20:48]

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Re: The caliber 410 [message #4522 is a reply to message #654]

Thu, 06 November 2014 20:17

excorderatio
Messages: 5
Registered: January 2014
Location: Virginia, USA

Gruen Apprentice

Hi what is the manufacture date range and what (if anything) can you add about the 410C movement?

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Re: The caliber 410 [message #4523 is a reply to message #4522]

Thu, 06 November 2014 20:24

Barney Green
Messages: 1755
Registered: February 2014
Location: Wolfsburg, Germany

Gruen Authority

Caliber 410C is the version with the curved dial side. It is said to have been produced in the years 1939 / 1940.

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

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Re: The caliber 410 [message #4529 is a reply to message #4523]

Fri, 07 November 2014 00:18

JackW
Messages: 2012
Registered: May 2013
Location: Denver

Gruen Authority
Head Janitor
Site Admin

Give me some time and I can post a side-by-side image of a 410c with a 410.

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