Islander Mitchel Automatic Field Watch with Nylon Weave Strap and an AR Sapphire Crystal #ISL-40. Excellent used condition, only worn a few times. Includes original box. Crystal: Anti-Reflective Sapphire Water Resistance: 100 Meters Lug Width: 20mm Strap Material: Khaki Nylon Weave + Leather Case Diameter: 39mm Case Height: 12mm Case Tip to Tip: 48.5mm Movement: 4R36 Caliber Automatic (self-winding) Case Material: Stainless Steel Caseback: Screw-in with exhibition window