Rugged and solid with the precise details and movements that make Swiss Army famous and keeps you moving smoothly along schedule... introducing the Swiss Army Ground Force collection. Sophisticated black dial is accented by large, bold silver luminous hands and markers, a date display at the '4' marker and presented by a titanium and stainless steel case with a screw-down crown and caseback. Handsome black rubber strap is grooved with a block design. Precise 1/10th of a second chronograph movement features a tachometer. Anti-reflective sapphire crystal and water resistant to 100m.