Double tap near 12 oclock to unlock watch.
Single tap to relock.
Tap center of hands to make them temporarily disappear.
TAP 9 for darkness filter.
Tap weather or chrono icon to switch weather and chrono.
Tap TIME to choose 12hr time, 24hr and 3 additional time zones.
Tap date to update weather.
Tap 10 and 7 for Ucolor.
Tap START and RESET to operate chrono.
Uploaded on 27 Feb 2019