Armourlite ColorBurst Shatterproof Scratch Resistant Glass Blue Tritium Watch 10 yr battery w/ Black Stainless Steel Band AL217 Shatterproof Scratch Resistant high impact glass crystal 3D Blue Luminescent Numbers Fresh Bright Swiss Tritium H3 lighted tubes stay bright continuously 10 ATM / 100 m / 330 feet water resistant Swiss movement 10 Year Lithium Battery Life