Isobrite Thin Blue Line T100 Tritium Mid-Size Watch Black/Gray 39.5mm. 5mm blue and gray accented Swiss Made midsize watch features 28 ultra bright T100 tritium markers that will glow for many decades. A mix of green blue and orange tritium markers make it incredibly easy to tell the time in any lighting environment. To ensure uninterrupted service the watch is powered by a reliable and ultra accurate Swiss Made Ronda 505 quartz movement. The movement also features a legible date display between 4:00 and 5:00.Constructed out of carbon fiber reinforced polycarbonate this lightweight watch weighs in at only 3 ounces. The dial is well protected by a scratch resistant sapphire crystal with an anti-reflective coating. When your adventure involves water this watch is ready to accompany you diving down to 200 meters. While in the depths of the sea the unidirectional ratcheting diver bezel with a tritium marker will help you keep track of elapsed bottom time. We invite you to wear this watch proudly and show your support for America's law enforcement heroes Specifications for Isobrite ISO3006 Law Enforcement 39.5mm Midsize Limited Edition T100 Tritium Illuminated Watch: Manufacturer: Isobrite Application: Casual Gender: Unisex Dial Color: Black Band/Strap Color: Black Case Color: Black Marker/Numeral Color: Gray Case Material: Carbon Case Diameter: 39.5 mm Band/Strap Material: Rubber Wrist Band Type: Strap Movement: Swiss Quartz Water Resistant Mark: 200 m Weight: 3 oz Features of Isobrite ISO3006 Law Enforcement 39.5mm Midsize Limited Edition T100 Tritium Illuminated Watch Date display low-battery EOL indicator Movement: Swiss-Made Ronda 505 quartz Battery Life: 45-months Crystal: Scratch-resistant sapphire with anti-reflective coating Case Diameter: 39.5mm Case Thickness: 12mm Case Material: Carbon fiber reinforced polycarbonate Caseback: Stainless steel engraved plate fixed with 4 security screws Bezel: Unidirectional ratcheting diver bezel with a tritium elapsed minute marker Crown: Double-gasket push-in with side shields Water Resistance: 200m / 660ft / 20atm Band Material: Rubber Band Width: 20mm Band Clasp: Stainless steel buckle Weight: 3 ounces Package Contents: Isobrite ISO3006 Law Enforcement 39.5mm Midsize Limited Edition T100 Tritium Illuminated Watch black nylon military-style band with stainless steel hardware black nylon band with a thin blue line spring bar pin tool for swapping out bands Isobrite ISO3006: Thin Blue Line T100 Tritium Mid-Size Watch Black/Gray 39.5mm