Quartz movementPurple bezel; water resistant depth 1 MTwo interval timers; 3 alarmsIndiglo night-lightWater-resistant to 99 feet (30 M)

Nike Triax Strength CollectionCase Diameter - 40 MM

Mineral glass crystalOne-touch backlightingS-shape design curves around wristStainless-steel bezel100m water resistance

2 segment interval timer with effort indicatorPerforated silicone bandWhite band with silver frame

* Stainless Steel Case Back* Sleek Orange Resin Band* Analog w/Silver Luminous Glow in Dark Hands* "S" Shaped Green Face w/ Backlight* Rotating Second Hand

Quartz movementMineral crystalCase diameter : 38 mmWater-resistant to 330 feet (100 M)

Aluminum face shield. 12/24-hour, day and date subdialsLuminescent hand and face markings / Easy readS-shape design curves around wrist / Comfortable fitMineral glass crystal / Scratch-resistantStainless-steel buckle and backplate / Enhanced durability

Case Diameter - 40 MM

Tracks distance, pace, time and calories burnedMemory captures and stores 30 hours' worth of running dataRemovable Nike+ Link for quick connection to nikeplus.comDurable polycarbonate caseOne Size

Touch bezel lets you change screens with a simple tap (no more fumbling for buttons)Training features that continuously monitors your time, distance, pace, calories and heart rate (when paired with heart rate monitor)ANT + Sport wireless platform wirelessly sends your data to your computerIncludes both the USB ANT Stick and Heart Rate MonitorDownload recorded courses to compete against previous workouts or race a Virtual Partner