INVICTA MEN'S SQUARE RUSSIAN DIVER GMT W/LEATHER BAND. Band Material: Black Leather. Case Diameter: 45MM. Crown: Screw Down. Crystal: Mineral. Dial Color: Blue. Dial Material: Textured. Movement: Rhonda Quartz. Case Material: Stainless Steel. Water Resistance: 100M.INVICTA MEN'S SQUARE RUSSIAN DIVER GMT W/LEATHER BAND. Band Material: Black Leather. Case Diameter: 45MM. Crown: Screw Down. Crystal: Mineral. Dial Color: Blue. Dial Material: Textured. Movement: Rhonda Quartz. Case Material: Stainless Steel. Water Resistance: 100M.