The Engineer Hydrocarbon Aero GMT II is the ultimate GMT aviation watch with the worlds brightest bezel. BALL brings instant low-light visibility to a new level thanks to a ground-breaking micro gas light rotating bezel. The watch is equipped with a bi-color top sapphire bidirectional rotating bezel which carries a 24-hour graduation, and marks out a third time-zone in addition to its standard and GMT time zones. The aviator-inspired face has hour indexes and main hands carrying luminous gas tubes, with the 3, 6 and 9 oclock markings receiving double gas tubes. A ring of transparent and ultra-resistant sapphire crystal covers the base of the bezel in which micro gas tubes are embedded. This timepiece also carries on with BALLs signature toughness and can absorb impacts of up to 7, 500Gs, and features an anti-magnetic resistance of 4, 800 A/m. The 40mm machined stainless steel case is equipped with the BALL patented crown-protection system to ensure a sealed-system. At the heart of t