Description Model: SNK617 Gender: Men Case Diameter: 37mm Movement Type: Japan Made Automatic Movement (7S26 Movement, 21 Jewels) Case thickness: 11mm Case and Band material: Stainless steel Jewels: 21 Jewels Crystal: Hardlex Crystal Display type: Analog Display Luminescence: Luminous Hands and Markers Calendar: Day and Date Display at 3 o’clock Case back: See Through Case Back Buckle: Folding Clasp Water Resistance:  3ATM Water Resist Warranty: 12 Months