Black resin case with blue top ring; case diameter 1.5 inches (40mm) LCD display with time, seconds, day and date Functions include: chronograph, lap time, alarm, dual time, military time and backlight Adjustable black nylon strap with hook-and-loop closure; fits from 5.5 inch to 7 inch wrist circumference Water resistant to 330 feet (100M #18,215 in Clothing, Shoes & Jewelry ( ) #57 in