Diameter: 45mm - Crystal: Hardened mineral crystal (550-650 Vickers) - Water Resistance: 10 ATM water resistance tested - Visibility: Constant glow in low light or darkness for up to 25 years - Bezel: Uni-directional rotating CARBONOX bezel - Movement: Ronda 515 - Case Material: CARBONOX - Case Back: Screw on CABONOX case back - Crown: Protected stainless steel crown - Strap: 23mm PU strap - Dial/Figures: Black/BlackRed - 6 LLT on dial 2 LLT on H/M hands Superluminova on bezel - Green and Orange Luminox Light Technology (LLT) and Super-LumiNova Technology: see specification tab - Swiss made