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  1. #1

    Default NAWCC Serial number look-up

    Good Day to all,

    I have entered serial number of a Waltham pocket watch into the serial number database look-up at the http://www.nawcc-info.org/WalthamDB/LookupSN.asp

    The PW serial number in question is: 14919747, there are few data that I do not understand from database.

    For example the model number is shown as "Ser." and the size comes out as "Col".

    Would someone please explain the markings of model name and size.

    I understand that American watches were made gauged by Lancashire Gauge System, where the "Col." size does not make sense, at least not to me.

    Thanks in advance!

    Cheers

    Dushan
    >> Experience is the name everyone gives to their mistakes. << - Oscar Wilde (1854 - 1900)

  2. #2
    Registered user.
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    Default Re: NAWCC Serial number look-up (RE: Dushan Grujich)

    Your watch is a Colonial Series ser/col hope this helps.

  3. #3

    Default Re: NAWCC Serial number look-up (RE: Bill B)

    Quote Originally Posted by Bill B View Post
    Your watch is a Colonial Series ser/col hope this helps.
    Good Day Bill,

    Thanks! Of course it does help.

    Cheers

    Dushan
    >> Experience is the name everyone gives to their mistakes. << - Oscar Wilde (1854 - 1900)

  4. #4
    Registered User Jerry Treiman's Avatar
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    Aug 2000
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    Los Angeles, CA
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    3,779

    Default Re: NAWCC Serial number look-up (RE: Dushan Grujich)

    Waltham's Colonial Series movements had a 14-size pillar plate and 12-size bridges. The thickness was the same as a standard 12-size movement. They were cased at the factory in special cases.
    Jerry Treiman, NAWCC member since 1971
    Charter member of Pocket Horology Chapter 174

  5. #5

    Default Re: NAWCC Serial number look-up (RE: Jerry Treiman)

    Quote Originally Posted by Jerry Treiman View Post
    Waltham's Colonial Series movements had a 14-size pillar plate and 12-size bridges...
    Good Day Jerry,

    Thank You!

    Having some data to start with, initially provided by Bill, I have searched MB for Waltham Colonial series and have found your message click here and thread, where You have given details and explained the relation of Waltham grade 1425 to Model 1894, so it is a double thanks to You.

    Cheers

    Dushan
    >> Experience is the name everyone gives to their mistakes. << - Oscar Wilde (1854 - 1900)

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