The A-15 Pilot Watch is inspired by the 1944 Military Issue A-15 ‘Elapsed Time Watch’ and incorporates unique features of the original. With a stainless steel case and a distinctive black dial, it features two rotating inner discs operated by two crowns. The 2H crown rotates the elapsed time while the 4H crown indicates double time. The unique design of this watch, as well as its functional features, are made more authentic with a refined 21-ruby automatic movement with a 42-hour power reserve. The subtle brown leather strap completes the look. It has a sapphire crystal with an anti-reflective coating. Water resistance to 30 meters.