Japan 21 Jewels Automatic Self-Winding Movement(Caliber 7S26). Stainless Steel Case and Band with Push Button Deployment Clasp. Day/Date Display with Spanish Option, Luminous Hands and Markers. See-Thru Screwdown Caseback, Hardlex Crystal. Water Resistant - 30 meters. Style: Casual Material: Stainless Steel Dial Color: Blue Movement: Mechanical Band Length: 8 Water-Resistant: 30m Power: Self-Wind Case Diameter: 37