Model: Citizen Watch - Citizen Men's Eco Drive Watch BM8180-03E Case material: Solid stainless steel case Movement: 37mm (1 7/8") without the crown; 10mm in thickness Weight: 1.6 oz Movement: Citizen Eco-Drive movement Crystal type: Scratch resistant mineral crystal Crown: Push pull crown Water resistant: 100 meters Face color: Black Lug size: 20mm Band type: Green nylon strap Band length: Will fit 5 1/2 - 7 3/4" wrist Additional features: Date display; Luminous hands Warranty: 5 year warranty on all Citizen watches Items included: Owner's manual, Citizen warranty material