"Polished Stainless Steel Case and Bracelet All-Lumibrite Dial, the whole dial will illuminate in the dark when previously exposed to an adequate light source. When not glowing, the dial appears as a white or an off-white color 1/20th Second Chronograph Measures Elapsed Time up to 12 Hours Split Time Measurement Date Water Resistant to 100 Meters Hardlex Mineral Glass Crystal Battery Life Approximately 3 Years Bracelet Features a Push Button Release Clasp 37mm Case Width (Approximately 1 1/2"")"