what's the deal with Tudor's

[Purple Hayz]

Originally Posted by Omarion07

Not true! Rolex movements were considered in-house since 1935, with the exception of chronograph movements which they outsourced (and then modified) from ETA and Zenith. See this thread


When did Rolex develop there first in-house calibre
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That is not correct. You may consider Rolex whatever you like, but the fact remains that prior to acquiring and absorbing Aegler (which was wholly owned by that family, even though they made movements exclusively for Rolex from 1935 onward), Rolex was an etablissuer, not an in-house manufacture.

Of course, the same can now be said of Tudor, since Kenissi has been spun off and is now partly owned by Chanel and Brietling (though still controlled by Tudor).

p.s. Valjoux and Zenith (EP) cals were both used in early Daytonas.