How do i change the time on timex 1440 T5K436

SOURCE: how do I change time on timex watch?

These are settings for the Timex SPORTS 1440 Magnetism (5b841 -W163US)
These are for the 4 button SPORTS 1440 (not 6 button) - they will also work for the 1440 SPORTS "Informer" model wrist watch - you will NOT find these instructions on the Timex website - only the 6 button which will not work on these watches is on that site!

TIME AND DATE

1. Press and hold MODE until HOURS digits flash (you'll be in Alarm Mode) Press MODE again to enter TIME mode, SECONDS digits will flash.
2. Press ADJUST to set SECONDS to zero.
3. Press START/STOP to select MINUTES.
4. Press ADJUST to change.
5. Repeat to set HOURS, MONTH, DAYS, and DAY of WEEK. Go through 12 hours to set AM or PM.
6. Press MODE when done.
7. To display DATE from Time display , press START/STOP.
8. With DATE displayed press and hold START/STOP, then press ADJUST to change display between DATE-MONTH and MONTH-DATE.
9. With TIME displayed, press and hold ADJUST, then press MODE to switch between 12-and 24-hour format.

1. Press and hold MODE until HOURS digits, DAY, and A or P (for AM or PM) flash.
2. Press ADJUST to change HOURS digits. Go through 12 hours for AM or PM.
3. Press START/STOP to select MINUTES.
4. Press ADJUST to change.. Press MODE when done.
5. Press and hold ADJUST, then press START/STOP to turn chime on/off. Press START/STOP again to turn alarm on /off. Release START/STOP when done.

1. Chronograph will count up to 24 hours. Lap times are not stored. After 40 minutes chrono display changes from seconds to minutes.
2. With time displayed, press MODE to select Chrono Mode.
3. Press START/STOP to start.
4. Press ADJUST to view lap time. Press again to sesume lap timing.
5. Press START/STOP to stop timing . Press ADJUST to reset chrono to zero.
6. Repeat for successive laps.

SOURCE: Timex 1440 sports watch, WR50M

In "Time Mode" when time is displayed, hold the "mode" button until the alarm flashes. Press the "mode" button again and the display should change to the seconds flashing. Press the st/stop button to change location between seconds, minutes, hours, date, month, and day. Use the lap/reset button to make any changes.

SOURCE: timex 1440 sports digital watch time setting

1. Press and hold the mode button until it starts to blink, then release.
   
2. First the alarm time will come up.
   
3. Press the mode button once to get to the time and date.
   
4. The seconds will flash first. 
   
5. Press the st/stop button to toggle between the seconds, hour, minutes, date (month and day) and day of the week.
   
6. Press the lap/reset button to change the values.
   
7. When done, press the mode button again to return to normal.
   

SOURCE: setting time on my timex 1440 watch

Here is the manual!

http://www.sports-watches.co.uk/watch_manuals/5e061.pdf

SOURCE: Timex Mid Size Sports 1440 WR50M

If your set up is: Top-Left=Indiglo Top-Right=St./Stop Bottom-Left=Mode Bottom-Right=Lap/Reset

Than follow these steps:
1. Press Lap/Reset and hold. You should see the time the alarm was set for.
2. While holding Lap/Reset, press Mode.
3. Let go of all buttons.
4. There you go!

Hope that was a help