Seiko 5R86 User Guide - Page 10

English ● How to use the stopwatch • The stopwatch can consecutively measure up to 12 hours. • Before using the stopwatch, wind the mainspring sufficiently until the power reserve indicator shows the fully-wound state. Make sure that the watch is operating when you use the stopwatch. • Before using the stopwatch, be sure to reset the STOPWATCH hands to the "0" position. 1. If the STOPWATCH hands are moving, press button A to stop the measurement, and then press button B to reset the STOPWATCH hands to the "0" position. 2. While the STOPWATCH hands are stopped, press button B to reset the STOPWATCH hands to the "0" position. STOPWATCH second hand 80 75 19 70 1 95 90 17 85 2 65 2 3 1 TAC1HYMETER 50 3 SPRING DRIVE 30 20 10 6 12 9 3 6 5 9 100 13 110 120 11 130 140150 400 0 180 7 200 300 250 5 A STOPWATCH minute hand STOPWATCH hour hand B * Please note that if the crown is pulled out while the stopwatch is performing a measurement, the stopwatch stops. 18 English Standard measurement A START t A STOP t B RESET Accumulated elapsed time measurement A t A t A t t A B START STOP RESTART STOP RESET * Restart and stop of the stopwatch can be repeated by pressing button A. Tips on reading the STOPWATCH hands • The STOPWATCH minute hand turns a full circle in 30 minutes. The STOPWATCH minute hand should be read depending on the position of the STOPWATCH hour hand. 30 30 20 10 20 10 12 12 9 3 9 3 6 6 Ex. 6 hours and 20 minutes 6 hours and 50 minutes 19