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Lexicon article of the week
Rolex Oyster Perpetual Cosmograph Daytona (steel)
A chronograph is a watch with additional short-time measurement (stopwatch), shown by an additional hand (chrono hand) which can be started, stopped, and reset to zero by pushers in the housing wall.
It is critical that the various wheels that control a chronograph are synchronized. There are two methods currently in use to accomplish this One where the chronograph function is controlled by a column wheel, the other with the control function by a coulisse lever system (also slotted lever shift or cam switching).
The more expensive version is the column wheel chronograph, also called …
Watch Knowledge
![[[:Oscillating system]] of a mechanical watch (click to enlarge!)](/lib/exe/fetch.php?tok=a94d35&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FSchwingsystem.jpg "[[:Oscillating system]] of a mechanical watch (click to enlarge!)")
Oscillating system of a mechanical watch
Maintenance
![[[:Gerd-Rüdiger Lang]], founder of [[:Chronoswiss]] (click to enlarge!)](/lib/exe/fetch.php?tok=7ac690&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FLang_Gerd-R%C3%BCdiger.jpg "[[:Gerd-Rüdiger Lang]], founder of [[:Chronoswiss]] (click to enlarge!)")
Gerd-Rüdiger Lang, founder of Chronoswiss
- Abraham-Louis Breguet Most important watchmaker in the history of horology and a great inventor
- Ferdinand Adolph Lange Founder of A. Lange & Söhne in Glashütte
- Hans Wilsdorf Founder of Rolex
- Helmut Sinn Founder of Sinn Spezialuhren Frankfurt
- Gerd-Rüdiger Lang Founder of Chronoswiss
- Nicolas G. Hayek Important watch business man (Swatch)
![[[:Hublot Big Bang King "Porto Cervo"]] with case in [[:red gold]]/[[:ceramic]] (click to enlarge!)](/lib/exe/fetch.php?tok=acd4eb&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FHublot_Big_Bang_King_Porto_Cervo.jpg "[[:Hublot Big Bang King \"Porto Cervo\"]] with case in [[:red gold]]/[[:ceramic]] (click to enlarge!)")
Hublot Big Bang King "Porto Cervo" with case in red gold/ceramic
© Hublot
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