public void setSecondsVisible(boolean VISIBLE) {
        if (null == secondsVisible) {
            _secondsVisible = VISIBLE;
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!secondsVisible.isBound()) {
                secondsVisible.set(VISIBLE);
            }
        }
    }
Defines if the second hand of the clock will be drawn.
@param VISIBLE
src/main/java/eu/hansolo/tilesfx/Tile.java