Tap center to zoom and remove bezel.
Tap 12 area to rotate/reset bezel.
Tap 9 area to cycle 24 hour hand modes - 24 hour local, UTC, TZ1, TZ2, and TZ3.
Tap 6 to cycle dim modes, Auto, Normal and Off.
Seconds hand lume dot is battery level indicator in dim mode.
Uploaded on 29 May 2017