The Breitling Watch Source Forums

Pretty interesting if true. No idea that they were playing around with the big case in 1965. Looks very similar to the later early 1970's Chronomat.

http://www.ebay.com/itm/Vintage-Breitling-NOS-188-Chronomat-Prototype-watch-Cal-12-s-c-1965-/130603885033?pt=LH_DefaultDomain_77&hash=item1e689921e9

seems basically true, apparently some prototypes of the big case models were produced with the cal 12 base movement without the chronograph modules, cases are 1965, movements are gilded and marked CAL 12 SC, so it seems strange they were really produced before the CAL 11s, they just might have been assembled into those cases years later ?

Interesting indeed, although the cynic in me wonders where the close ups and movement shots are.

Would this model be the one with the really huge movement bridge? I may have seen something like this before...

EDIT: maybe similar to this?

http://www.breitlingsource.com/phpBB2/v ... =3&t=11854

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"I don't got the bright watch I got the right watch" -Jay Z

Movement likely the same, but that's the regular case.

This watch is time-only, so I think the serial dates it to the 1970s.

Well duh - aren't we the smart ones for not picking up on that