Model: Citizen Watch - Citizen Largo Chronograph Watch AT0420-50E Case material: Solid stainless steel case with screw down case back Case dimensions: 38mm (1 1/2") x 44mm (1 3/4"); 11mm (2/5") in thickness Weight: 5.2 oz Movement: Citizen Eco Drive movement Crystal type: Scratch resistant mineral crystal Crown: Push and pull crown Water resistant: 100 meters Face color: Black Band type: Solid stainless steel band with fold over clasp with hidden double push button Band length: Will fit 6 - 8 1/4" wrist Additional features: 1 second chronograph, measures up to 60 minutes; Date display; Luminous hands and markers Warranty: 5 year warranty on all Citizen watches Items included: Owner's manual, Citizen warranty material