Longines Avigation L2.640.4.73.2 User Manual

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Page 9 Cal. Ref. E.O.L.
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Page 35 CHRONOGRAPHS – GENERAL INFORMATION The chronograph Split-seconds function The chronograph is an instrument for measuring short In a chronograph with a split-seconds function, a sec- periods of time. It is used mainly in sport but also in avi- ond hand is superimposed over the trotteuse. When in- ation or for scientific experiments, for example.
Page 47 The natural movements of your wrist will automatically the end of each month with less than 31 days. wind your Longines chronograph, which has a power- reserve of 46 hours. It is only necessary to wind the watch manually if it has not been worn for several days.