Marathon 46mm Anthracite JDD Automatic Watch Black. Hand-assembled with a durable black anti-reflective Ion-Plating (IP) armour on its 316L Stainless Steel case and movement. Yet not all operators are built the same. The 46mm Anthracite Jumbo Day/Date has been added to the unit to accommodate larger wrist sizes during tactical night ops. Specifications for Marathon 46mm Anthracite JDD Automatic Watch: Manufacturer: Marathon Size: One Size Application: Outdoor Gender: Unisex Dial Color: Black Illumination Color: None Band/Strap Color: Black Case Color: Black Marker/Numeral Color: Maraglo Case Finish: Brushed Case Material: 316L Stainless Steel Case Diameter: 46 mm Bezel Finish: Sapphire Band/Strap Material: Rubber Wrist Band Type: Strap Movement: Automatic Illumination Type: Non-Illuminated Water Resistance Level: Waterproof Water Resistant Mark: 300 m Package Contents: Marathon 46mm Anthracite JDD Automatic Watch 3-Piece Rubber Strap Kit with Anthracite Hardware Marathon WW194021BK-0130: 46mm Anthracite JDD Automatic Watch Black