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How to set the date

uDate setting should always be carried out after the time is correctly set.

uManual date adjustment is required on the first day after a month that has less than 31 days: February, April, June, September and November.

CROWN Pull out to first click.

CROWN Turn clockwise to set the date.

* While you are setting the date, do not press either button A or B, as pressing button A or B while the crown is at the first click position can change the mode and the settings in some modes.

* Do not set the date during any time between 9:00 P.M. and 1:00 A.M. Date setting during this time period may cause failure of date change on the following day.

CROWN Push back in to normal position.

YACHT TIMER MODE

uYacht timer combines the functions of a count down timer and a stop watch that starts operating automatically when the timer finishes counting down. This function is particularly useful in yacht racing.

Yacht timer operation

There are 3 pre-set yachting timer modes: 5-minute, 6-minute and 10-minute timers.

Upon activating the yacht timer function, the selected yacht timer starts counting down in 1-second increments.

The remaining time is indicated by the center hand and the two hands of the small watch, which turn counterclockwise while the yacht timer is counting down.

When the yacht timer finishes counting down, the beep will sound indicating that time is up and the measurement is automatically switched to the stopwatch.

The stopwatch can measure 12 hours in 1-second increments. When the measurement reaches 12 hours, the stopwatch automatically stops.

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Seiko 7T84 brochure Yacht Timer Mode, How to set the date, Yacht timer operation, Crown Push back in to normal position