Use The Stopwatch - Samsung GT-B7610 User Manual

6
Tap Set as 2nd clock to display this time in addition to the
local time (in widgets that support dual times).
7
Tap Done.

Use the stopwatch

1
Tap Start > Main Menu > Clock (1/5).
2
On the Stop watch tab, tap Start.
3
Tap Lap to record lap times.
4
When you are finished, tap Stop.
5
Tap Reset to clear the recorded times.
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