Professional diving watch Be it night diving, deep diving, diving with poor visibility or wreck diving it can even make the difference between life and death that time is clearly visible in all conceivable conditions High-class non-scratching sapphire crystal; the glass has been additionally coated with an anti-reflective coating Luminox Light Technology (LLT) - lights up to 25 years without an external energy source #494,035 in Clothing, Shoes & Jewelry ( ) #2,803 in