Major Brian Shul, the limited-edition Ball Engineer Hydrocarbon AeroGMT Sled Driver Black/Blue DG2018C-S17C-BK emerges as a beacon of perseverance and technological prowess. This timepiece, welcomed into the BALL Explorers Club, pays tribute to Shul's incredible journey—from overcoming near-fatal wartime injuries to piloting the SR-71 Blackbird, the fastest and highest-flying aircraft ever built. Maker: Ball Watch Company Caliber: RR1201-C Movement: Automatic caliber BALL RR1201-C, Chronometer certified COSC Power reserve: 42-hour and a frequency of 28,800 bph Dial: Black Shock resistance: up to 7,500Gs Luminous: 44 micro gas tubes on hour, minute, second, second time zone hands, dial and bezel for night reading capability Case: Stainless steel Bezel: Stainless Steel Bidirectional rotating curved sapphire bezel with micro gas tubes for night reading capability Crown type: Patented crown protection design Lug width: 21mm Crystal material: 3.2mm Dome-shaped anti-reflective sapphire crystal Strap: Tapered stainless steel bracelet with patented folding buckle with extension Water resistance: up to 100m/330ft Dimensions: 42mm diameter, 54mm lug to lug, 13.85mm thick