Manual
Page 17
... and request SEIKO SR927W battery. * If the stopwatch is used for more than 2 hours a day and/or the alarm rings for more than 20 seconds a day, the battery life may be less than the specified period. * After the battery is inserted at two-second intervals. 17 However, because the battery is replaced with a new one as...
... and request SEIKO SR927W battery. * If the stopwatch is used for more than 2 hours a day and/or the alarm rings for more than 20 seconds a day, the battery life may be less than the specified period. * After the battery is inserted at two-second intervals. 17 However, because the battery is replaced with a new one as...