Seiko 8R39 Manual - Page 4

English 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 6 CAL. 8R39 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. 7 English