Case Material- Resin (Gunmetal Grey) with Silver-tone Top Ring (Round) Case Diameter- 48 5 mm Case Thickness- 16 mm Band Material- Resin Band Color- Grey Band Width- 20 mm Dial- LCD (Gray display) Crystal- Acrylic Bezel- Resin (Tachymeter function) Movement- Quartz Clasp- Buckle Water Resistance- 100 meters Functions- Time Seconds Day-Date-Month Chronograph Lap Time Alarm Military Time and Backlight (with three second delay)