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The place for discussing 1930-1985 Heuer wristwatches, chronographs and dash-mounted timepieces. Online since May 2003.
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7740 movement scan. *PIC*
In Response To: Re: Heuer Calculator ()

: hi bret

: you'll be glad to know that this is a very rare
: watch. it runs a valjoux 7740 movement which
: has the same chronograph module as the cal
: 11/12 but with a manual wind movement. Other
: cal 11/12 Heuers also ran this (and it's
: derivitive the 7741) movement but production
: numbers of all were very small. your watch
: is missing the inner bezel, but you should
: be able to find a replacement as there have
: been many nos cases up for sale on ebay
: (some of which seem to been converted from
: 7740 to cal11/12 by welding up the crown
: pipe and drilling a new hole) some people
: buying these will no doubt be recasing an
: existing Calculator and will sell on the old
: and used case.

: the big problem i found with this watch is that
: it's so big the crown digs in to the back of
: your hand in a vicious and nasty way, for
: this reason i prefer the automatic version,
: but then they're ten a penny.

: good luck finding the bits

: bruce
Thanks for the reply!!! Yes, you are spot on about the movement. How many of this type would you find for every one of the other type? Thanks!

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