Hong Kong Watch Fever 香港發燒友
Showing posts with label
Watch design
.
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Showing posts with label
Watch design
.
Show all posts
Wednesday, November 4, 2009
Tourbillon
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In horology, a tourbillon or tourbillion "whirlwind" is an addition to the mechanics of a watch escapement. Invented in 1795 by Sw...
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