Case thickness: 7mm; case diameter: 34mm; band width: 12mm; strap circumference: 175+/- 5mm</br>Strap material: leather; movement: 3 hand; water resistance: 3 atm</br>Japanese-quartz Movement</br>Case Diameter: 34mm</br>Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing</br><br/>http://www.amazon.com/gp/product/B01N1T3P3X