The ball engineer master ii diver worldtime timepiece is inspired by the achievements of freediver guillaume nery who is an active nature preserver the watch is equipped with the automatic ball 965 calibre that is built upon eta movement it is protected from shock magnetic influences and water penetration hands indices numerals and the bezel are illuminated through the use of 55 self powered micro gas tubes that glow 100 times brighter than luminous paint a rotating inner ring that moves