Tough, powerful and reliable, these Digital Chronograph Resin Straps are the accessory that will make your workout more colorful. 37.5MM Resin Case Translucent Resin Strap with Buckle Closure Features include time, seconds, day/date, chronograph with lap time, alarm, dual time, 12/24 hour time and backlight functions LCD Display Water Resistant to 330 Feet Download Manual