Do any watch companies use sapphire rotors?
I really love the look of the back of the Swatchpain. I’ve realised part of it is that the rotor is glass - giving a full view of the movement.
Just wondered if any high horology brands had tried the same thing? Maybe with sapphire?
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Justin
Fairly new to watch collecting. Super fast collecting journey! I've had a bit of everything, small gold pretty watches, large rugged watches, vintage British field watches. From Casio to Patek and eve...
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Yes, there is.
The only watchmaker I know who does (and is capable of) is Lehmann Schramberg. I once wrote an article about. A badass watchmaker. Does not only produce, manufacture and decorates every part inhouse, but also produces his own high tech machines to make it possible, as the family is actually a traditional manufacturer for machines used in watch industry.
And as you can see, you can't see anything. The outer rotor is connected by sapphire rotor blade to beautiful decorated movement.
Yes, there is.
The only watchmaker I know who does (and is capable of) is Lehmann Schramberg. I once wrote an article about. A badass watchmaker. Does not only produce, manufacture and decorates every part inhouse, but also produces his own high tech machines to make it possible, as the family is actually a traditional manufacturer for machines used in watch industry.
And as you can see, you can't see anything. The outer rotor is connected by sapphire rotor blade to beautiful decorated movement.
Wow super cool- and that invisible rotor is genius.
Carl F. Bucherer has a movement with an edge-based weight as well.
https://www.carl-f-bucherer.com/en/peripheral-technology
That's a stunner! Love that sapphire rotor!
Just for giggles check this out. I seen one just recently up for sale 29k wow. It's a 2020 Zelos model the Mirage 8 Day. This video is the sapphire case version.
Enjoy
https://youtu.be/wvIH88MYRKg?si=MF867wWlpdHuD964
1 of 25 pieces
The Chanel J12 X-Ray has sapphire plates and bridges including the going train and keyless works (and a sapphire case and bracelet), but it's a hand-wound movement so no rotor.
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Carl F. Bucherer has a movement with an edge-based weight as well.
https://www.carl-f-bucherer.com/en/peripheral-technology
Ah yes I’ve seen this edge type
I don't know how Lehmann can do a partially sapphire rotor, but would a sapphire rotor bc heavy enough to wind the watch efficiently? Maybe how to attach a platinum or tungsten edge to increase peripheral force?
I don't know how Lehmann can do a partially sapphire rotor, but would a sapphire rotor bc heavy enough to wind the watch efficiently? Maybe how to attach a platinum or tungsten edge to increase peripheral force?
Yes, that actually how Lehmann did. The sapphire is actually just a a disc in the center. At the edge of the sapphire disc is a narrow steel plate.
I once had a Lehmann in my hand and was also curious how the rotor rotates. So it doesn't spinn such smooth as like some Miyotas do. But it seams enough to keep the hairspring wounded.