Since 2009 and the introduction of the Carl F Bucherer calibre a1000 , peripheral rotors are becoming more and more fashionable , with this smart stylish solution , the winding mass is an annular segment mounted and swinging around the movement , instead of a centrally mounted oscillating weight rotating over the movement . This offers an unobstructed view of the movement along with providing the convenience of automatic winding .
https://monochrome-watches.com/technica ... c-winding/
Peripheral Rotors
- tempusmaximus
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Re: Peripheral Rotors
Didn’t Citizen do something very much like this in the seventies? IIRC it worked well if you were active, but wasn’t overly successful if you were sedentary - I know that can be a problem for any automatic, but these required more movement for a given winding effort than standard winding mechanisms.
Hopefully that’s been solved.
Hopefully that’s been solved.
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- tempusmaximus
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Re: Peripheral Rotors
The Citizen Jet used something similar in the 60s , but im sure it was centrally geared .gaf1958 wrote: ↑Mon Nov 05, 2018 10:22 am Didn’t Citizen do something very much like this in the seventies? IIRC it worked well if you were active, but wasn’t overly successful if you were sedentary - I know that can be a problem for any automatic, but these required more movement for a given winding effort than standard winding mechanisms.
Hopefully that’s been solved.
Bernie
Re: Peripheral Rotors
I was a bit confused when I picked one up to try on. Turned it over to look at the movement, didn’t notice the rotor and said to the chap from the AD “I didn’t realise it was manual wind”.
Was corrected “it is an auto, the rotor is at the case edge”
Every day is a school day!
Neil
Was corrected “it is an auto, the rotor is at the case edge”
Every day is a school day!
Neil
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Re: Peripheral Rotors
Interesting article, thank you for posting.
One of the few modern watch-making developments that actually adds real value - thinner watches & an unobstructed view of a movement worth looking closely at.
Also another example of how difficult it can be to pin-down who deserves to be credited as the 'real' inventor of something - is it the obscure patent filed years ago that never really went anywhere, or those who brought it to tested, practical, serial production...
As it is, the closest I'm likely to get to a peripheral rotor is my Swatch Sistem51 (which, of course, is nothing of the sort, but rather a centrally-driven 360' circular rotor with a clear perspex inner, creating the illusion of a peripheral rotor).
One of the few modern watch-making developments that actually adds real value - thinner watches & an unobstructed view of a movement worth looking closely at.
Also another example of how difficult it can be to pin-down who deserves to be credited as the 'real' inventor of something - is it the obscure patent filed years ago that never really went anywhere, or those who brought it to tested, practical, serial production...
As it is, the closest I'm likely to get to a peripheral rotor is my Swatch Sistem51 (which, of course, is nothing of the sort, but rather a centrally-driven 360' circular rotor with a clear perspex inner, creating the illusion of a peripheral rotor).
- tempusmaximus
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Re: Peripheral Rotors
Some interesting information here on the peripheral rotor.
https://www.watch-wiki.net/index.php?ti ... eral_rotor
https://www.watch-wiki.net/index.php?ti ... eral_rotor
Bernie