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CONTENTS
Page
CHARACTERISTICS OF A MECHANICAL WATCH
............................ 7
NAMES OF THE PARTS ................................................................................ 8
HOW TO USE ............................................................................................... 9
HOW TO SET THE TIME AND DATE ............................................................ 11
HOW TO USE THE STOPWATCH ................................................................. 14
ROTATING BEZEL ........................................................................................ 17
SCREW DOWN CROWN .............................................................................. 18
TO PRESERVE THE QUALITY OF YOUR WATCH ........................................ 20
PLACES TO KEEP YOUR WATCH ................................................................. 23
NOTES ON OVERHAUL ................................................................................ 23
NOTES ON GUARANTEE AND REPAIR ........................................................ 24
TROUBLESHOOTING ................................................................................... 24
ACCURACY OF MECHANICAL WATCHES ................................................... 26
SPECIFICATIONS .......................................................................................... 27
CHARACTERISTICS OF A MECHANICAL WATCH
(self-winding type, automatic winding type)
This mechanical watch operates using power obtained from a mainspring.
If the watch is completely stopped, manually turn the crown approximately 20
times to wind up the mainspring to start the watch.
While loss/gain of a quartz watch is indicated by a monthly or annual rate,
accuracy of a mechanical watch is normally indicated by a daily rate (loss/gain
per day).
● Normal usage accuracy of a mechanical watch varies according to conditions of
use (time period that the watch is worn on the wrist, temperature environment,
hand movement, and winding state of the mainspring).
● When the watch is affected by strong magnetism, it temporarily gains or loses
time. If the watch encounters a strong magnetic field, the parts of the watch may
be magnetized. In this case, repairs such as removal of magnetism are required.
Contact the retailer from whom the watch was purchased.
CAL. 8R39
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