Guarantee: TEMPO PRIMA is an official LUMINOX AUTHORISED DEALER. Our LUMINOX products are brand new in original packaging and guaranteed to be authentic. Luminox has been the watch of choice for professionals like Navy. SEALs, expert counter-terrorism operative Scott Cassell, the US Coast Guard, law enforcement divers and many more for the past 25 years.For a professional diving watch, it is critical and can even be the difference between life and death, that the time is visible in any and all conditions, be it night diving, deep diving, diving in poor visibility or wreck diving. The Luminox Light Technology (LLT) ensures that all its watches have easy and immediate readability, and are Always Visible constantly glowing for up to 25 years. Always Visible: Constant glow for up to 25 years.
Size of case (diameter): 45 mm. Water resistance (meters, feet, ATM): 200 / 660 / 20. Case back: 316L Stainless steel screw on. Crystal glass material: Hardened mineral crystal (550-650 Vickers).Crown: Double security gasket, crown protected. International buyers - please note.