Diameter: 44mm - Glass: Hardened mineral crystal (550-650 Vickers) - Movement: Ronda 515 - Water Resistance: 10 ATM water resistance tested - Always Visible: Constant glow in low light or darkness for up to 25 years - Bezel: Uni-directional rotating CARBONOX bezel - Case Material: CARBONOX case - Case Back Materia; CARBONOX case back with 4 screws - Crown: Stainless steel with logo - Strap: Black velcro fast strap with blackout Luminox logo - Dial/Figures: Black/Black - Green and Orange Luminox Light Technology (LLT) and Super-LumiNova Technology: see specification tab - Swiss made