The engineer master ii aviator watch is designed to be exceptionally readable both during the day and night balls largest gas tubes are utilized in the creation of this timepiece the watch is equipped with swiss made eta 2836 2 automatic calibre that has 25 bearing jewels hands and dial elements are illuminated through the use of three standard and 12 double sized micro gas tubes that will function for approximately 25 years the watch is protected from shock magnetic influences and water p