Specifications Product: TW2V38000 Watch Movement: Quartz Analog Water Resistance: 50 meters Crystal / Lens: Acrylic Case Diameter: 38 mm Case Height: 12.5 mm Case Material: Stainless Steel Case Color: Stainless Steel Case Finish: Brushed/Polished Dial Color: Black Dial Markings: Markers (Full) Strap / Lug Width: 18 mm Strap Material: Stainless Steel Strap Color: Stainless Steel Strap Buckle: Clasp (Deployment) Battery Type: SR920SW.