The Ball Engineer Hydrocarbon AeroGMT II is a 42mm stainless steel timepiece designed for globetrotters and aviation professionals. It features a black dial complemented by a blue bidirectional rotating sapphire bezel, both equipped with 43 micro gas tubes for exceptional night-time legibility. Powered by the COSC-certified automatic caliber BALL RR1201-C, it offers a 42-hour power reserve and supports triple time zone functionality via a red GMT hand. The watch is engineered for resilience, boasting shock resistance up to 7,500Gs, anti-magnetic protection up to 4,800 A/m, and water resistance up to 100 meters. Additional features include a patented crown protection system and a stainless steel bracelet with a patented folding buckle and extension system