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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 …

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portal_watch_knowledge.txt · Last modified: 03.07.2022 15:37 by

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