Tank Must Watch, Large Model, High Autonomy Quartz Movement. Steel Case, Beaded Crown Set With A Synthetic Cabochon-shaped Spinel, Silvered Dial, Blued-steel Sword-shaped Hands, Interchangeable Steel Bracelet. Case Dimensions: 33.7 Mm X 25.5 Mm, Thickness: 6.6 Mm. Water-resistant Up To 3 Bar (approx. 30 Meters/100 Feet).