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Milwatchnut
Junior Member
Username: Milwatchnut

Post Number: 16
Registered: 11-2009

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Posted on Thursday, March 17, 2011 - 07:27 am:   
I have a Cal P478 JLC with serial number of 370655.
What year what is it produced?



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Zaf
Moderator
Username: Zaf

Post Number: 5148
Registered: 05-2003

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Posted on Thursday, March 17, 2011 - 08:16 am:   
Hi, it dates to 1945-1946.
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Milwatchnut
Junior Member
Username: Milwatchnut

Post Number: 17
Registered: 11-2009

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Posted on Thursday, March 17, 2011 - 08:26 am:   
What's the correct case-back serial number range?
I am missing the case-back and would now search for a snap back in the proper range.

Anyone reading this post who has an extra snap back please contact me.
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Zaf
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Username: Zaf

Post Number: 5150
Registered: 05-2003

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Posted on Thursday, March 17, 2011 - 02:27 pm:   
I don't think it will matter. The case back that fits that watch belongs to that case, it won't be interchangeable with anything, so as such you'll be in the proper range as long as it is lower than that of the movement.