question on movement

Hello I too am interested in the leman line particularly in the perpetual cherono and the GMT alarm, I was wondering though if both watches use a house or a third party movement? thanks

Newbie to BP requires help on perpetual chronograph models….

By: Mezza : February 28th, 2008-02:43

Hi, I’m a bit of a newbie with Blancpain and would like some help on the older perpetual chronograph models. I know the current model is the 2685, but at 40mm this is too big for my rather slender wrist. So I was wondering what are the differences between...

Here's what I have found

By: DrStrong : March 12th, 2008-00:59

ref.5580 is 34mm across and 11mm thick: ref.2585 is 38mm across and 13mm thick Obvisouly the watch is larger, has a new design and has received screw down corwn and pushers. I don't see why the movement would have changed. I did not find anything about re...

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