WM Extra Time Zone 2, must be set to London ;

Tap on CHRONO/TIME to switch mode ;

tap 3 to start/stop, double tap to reset.

CENTER == ZOOM.

11 = rotate time zone counter clockwise.

12 = reset time zone location to London.

1 = rotate time zone clockwise.

6 = DIM mode.

9 = Brightness toggle.

coding by Andlaw