BALL / Swiss mechanical wrist watch Engineer II NM3022C-N1CJ-BK

A reliable shockproof watch with a high-precision mechanism and protection against magnetic fields will not let you down, even in extreme conditions. Magneto S. Chronometer COSC certified. Patented SpringLOCK balance axis shockproof device - 5,000Gs. The patented A-PROOF magnetic field protection system - 80,000A / m. Screw-down crown. Case back with sapphire crystal.