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 - Case Back: CARBONOX with 4 screws - Crown: Protected stainless steel crown with logo - Strap: 23mm PU strap with waves - Dial/Figures: Grey printing on dial & bezel grey hands - 4 LLT 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