Seiko 6M15 Manual - Page 14

STOPWATCH The stopwatch can measure up to 23 hours, 59 minutes and 59 seconds. For the first hour, it can measure in 1/10 second increments. It will measure in second increments thereafter. Split time measurement is possible. • Turn the crown to set the mode indicator to "Ø CHRONO.". The three hands return to the 12 o'clock position. * Even if the mode is changed from Ø CHRONO. to another while the stopwatch is measuring, it continues counting. When the split time is being measured, the split time will be released and counting will continue if the mode is changed. Movement of the stopwatch hands/how to read the hands In the STOPWATCH mode, the hour, minute and second hands in the TIME mode indicate MINUTE, SECONDS and 1/10 SECONDS, respectively, for the first hour, and HOUR, MINUTE and SECONDS thereafter. 1. Measurement of less than 1 hour [For the first 10 minutes] * The 1/10 second hand moves between the minute markers 0 and 9 repeatedly. Ex.) 8 minutes 40 and 2/10 seconds Stopwatch 1/10 second hand Stopwatch second hand Stopwatch minute hand Mode indicator * For the first one hour, the 24-hour hand moves one marker in 5 minutes. After one hour has elapsed, it automatically advances to indicate "1" on the 24-hour scale and then continues to indicate the number of elapsed hours thereafter. [After the first 10 minutes] * The 1/10 second hand stays at the "0" position while the stopwatch is counting. When the measurement is stopped or split time is measured, it indicates the 1/10 seconds measured. When the measurement is restarted or split time is released, it returns to the "0" position.