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Not sure what relevance this has for the watch being "high end" but that's okay...
I guess for them, 'high end' means highly accurate movements, going off the assumption that constructing highly accurate movements is far more difficult than constructing 'somewhat' accurate movements. all relative i guess, I have no background in watchmaking, but as an ex-mechanical engineer I can appreciate the accuracy
If well finished movements/complications is a mark of high end, then GP doesn't win there!
I am also a mechanical engineer (you are never an ex-engineer, even if you are not in the engineering field anymore!), and it's actually not difficult to make an accurate movement. As I've noted above, any 7750 can be made to run very accurately, and the typical 7750 is very far from being a high end movement. Most modern ETA movements for example can be made to run well within the parameters that brands set out for COSC watches, even if they are not COSC rated movements.
Cheers, Al
That's a bit of apples and oranges, Al. My initial comment related to movements made in the '60s. Furthermore, they were high-beat movements, which, at least in terms of potential accuracy, gave them an intrinsic advantage over many of their competitors. GP HF chronometers also performed exceptionally well in the Observatory trials.
So, while I appreciate that many movements have or had the potential to perform to chronometer standards, there was a meaningful distinction.
I don't pretend to define what "high end" means to people - hence my use of quotes for that phrase. But the OP is comparing these to VC and AP - in that context the vintage movements were certainly not "high end" although they may have been accurate. If accuracy is the test for you, that's fine, but then a bog standard ETA 7750 would be "high end" and most people would not make that association.
Cheers, Al
Wondering if there are any Girard Perregaux owners out there.
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While they have manufacture movements, the design of the movements are mismatched with the dimensions of the dial, hence on some chronographs the subdial placement are not ideal.
GP's solution was to uncouple the mainspring from directly powering the balance wheel by using a constant force escapement.