Diameter: 42mm - Crystal: Sapphire crystal with anti-reflective coating - Crown: 316L stainless steel screw in protected crown - Battery: 50 months - Bezel: Fixed bezel; 316L stainless steel with aluminum ring instert - Water Resistance: 100 meters / 330 feet / 10 ATM individually tested - Movement: Swiss quartz RONDA 515 - Case: 316L stainless steel caseback screwed in - Dial|Figures: Blue|White - Strap: Navy blue textile strap with red stitching detail with 316L stainless steel signature buckle - Date function - Constant glow for up to 25 years in any light condition