Watch terminology-Chronograph Watch
Watch (Chronograph) is a professional name, which chrono in Old English and Latin is “time” means, and the graph in English that “Records of tools.” General form and instructions for the passage of time. Time-table is different, it can record the length of any period of time. Standard time-table for 30 minutes or 12 hours of time function. The surface of the central second hand, usually stopped at the zero position. In order to show the clock in the running, most of the addition of a small second hand Perpetual. Time-table at the two, the first object that there is only one measurement of the ordinary time-table, and the other is there are two pairs of objects measuring sub-second hand watch.
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