46mm Carbon-reinforced polycarbonate case with stainless steel case back World Time Zones Bezel Antireflective sapphire crystal Walking tachymetric scale in miles Alarm Function Contrast color countdown quadrant Water-resistant to 200 meters, 20 ATM, 660 feet, individually tested Movement Ronda 515 2nd Time Zone, Special HH Black PU Strap with raised scale and loop lock, 24mm MORE DETAILS Luminox self-powered illumination Swiss Made