Model: Seiko Watch - Seiko Men's Kinetic Chronograph Watch SNL053 Case material: Stainless steel case with screw down see through case back Case dimensions: 41mm in diameter not including the crown Movement: Seiko kinetic movement - never needs a battery change Crystal type: Scratch resistant hardlex crystal Crown: Push and pull crown Water resistant: 100 meters Face color: Black Band type: Stainless steel band with double locking clasp with push button Band length: Will fit 5 1/2 - 8 1/4" wrist Additional features: Automatic power generator; Chronograph (stopwatch) features: chronograph minute and 1/5 second hand, chronograph measures up to 45 minutes in 1/5 second increments; Energy depletion forewarning function; Overcharge prevention function; Duration of full charge is approximately 5 months; Luminous hands and markers Warranty: 3 year manufacturer's warranty on all Seiko watches Items included: Owner's manual; Seiko warranty material