How do i change the time on T5K801 Marathon watch

To set time and date:
1) With time and date showing,
press SET and hold for 2 seconds.
2) Seconds flash. Press START/STOP to set seconds
to zero.
3) Press MODE
.
Hour flashes.
Press START/STOP
to change hour, including AM (no symbol) and PM.
4) Press MODE
.
Minutes flash.
Press START/STOP to change
minutes; hold button to scan values.
5) Press MODE. Year flashes.
Press START/STOP to change year.
6) Press MODE
.
Month flashes.
Press START/STOP
to change month.
7) Press MODE
.
Date flashes.
Press START/STOP
to change date.
8) Press SET
, at any step, to exit and save settings.
With time and date showing, press SET
to switch between 12- or 24- hour time format.
Date (day of month) appears in upper part of display in Time
mode. Press and hold START/STOP
to see month, date, and year in large digits

Or go to:
http://assets.timex.com/user_guides/Marathon/W292-Marathon-AllLanguages.pdf