Manual
Page 17
... that you contact an AUTHORIZED SEIKO DEALER and request SEIKO SR927W battery. * If the stopwatch is inserted at two-second intervals instead of the watch should last approximately 3 years. This is not a malfunction. * The watch remains accurate while the small second hand is engaged. For battery replacement, we recommend that case, have the battery replaced with a new one as...
... that you contact an AUTHORIZED SEIKO DEALER and request SEIKO SR927W battery. * If the stopwatch is inserted at two-second intervals instead of the watch should last approximately 3 years. This is not a malfunction. * The watch remains accurate while the small second hand is engaged. For battery replacement, we recommend that case, have the battery replaced with a new one as...