Smith & Wesson Extreme Ops Watch/Knife Combo Tanto 420 Stainless Steel Blade Matching Watch Black. The knife features a 3-3/16-Inch 420 stainless steel blade. Smith & Wesson prides itself in designing and manufacturing innovative solutions that are unparalleled in the field of personal safety and protection. Specifications for Smith & Wesson Extreme Ops Watch/Knife Combo: Manufacturer: Smith & Wesson Blade Material: 420 Stainless Steel Knife Application: Folding Blade Blade Shape: Tanto Handle Finish: Black Handle Color: Black Quantity: 1 Color: Black Features of Smith & Wesson Extreme Ops Watch/Knife Combo Includes a tactical flip knife and water resistant diver watch with compass Package Contents: Smith & Wesson Extreme Ops Watch/Knife Combo Smith & Wesson SW-XTMOPS-2: Extreme Ops Watch/Knife Combo Tanto 420 Stainless Steel Blade Matching Watch Black