Qn about Breguet Transatlantique Type XXII Flyback 10 Hz

 

Hi.  I'm hoping someone can help me with a question I have about what seem to be different versions of this watch I have seen with the same reference number.  Most versions I see look like this:




A few I've seen, however, have an additional window above the Breguet signature as in this picture:



Obviously, there are some other differences to the dial as well but all seem to be listed with the same reference number of 3880ST/H2/3XV?

Am I correct to assume the second watch is an older version (the first picture is taken directly from the Beguet website?  If so, when did it replace the first version?

Thanks for your help.

This message has been edited by tgator96 on 2013-03-20 15:08:48

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