• Features:
  •  Built-in GPS and GLONASS
  •  Faster dual-core processor
  •  W2 chip
  •  Barometric altimeter
  •  Capacity
  •  Heart rate sensor
  •  Accelerometer and gyroscope
  •  Water resistant 50 meters
  •  Ion-X strengthened glass
  •  Composite back
  •  Wi-Fi (802.11b/g/n 2.4GHz)
  •  Bluetooth 4.2
  •  Up to 18 hours of battery life
  •  watchOS 4 

                   Freedom Calls.

Answer a call from your surfboard. Ask Siri to send a message. Stream your favorite songs on your run. And do it all while leaving your phone behind. Introducing Apple Watch Series 3 with cellular. Now you have the freedom to go with just your watch.

• Watch Faces All kinds of Faces. All Customizable.

• Now Siri is Faster and Smarter. And Speaks From Your Watch.

• Cellular Send Messages, Make Calls, Get Meeting Invitations. No Phone Required.

• Run Your Day. Right From Your Wrist.

• Health App on iPhone One App for all Your Health and Fitness Data.

• Third-Party Health Apps Drink More Water. Improve Your Sleep. Be a Healthier you.

• Breathe App Quiet Your Mind. Relax Your Body.

• Keep Tabs on Your Resting, Walking, and Workout Recovery Heart Rate.
• Keep Your Body Top of Mind
• Apple Watch Celebrates Each Milestone With You.
• Activity Sharing – Stay Motivated by Competing with and Cheering on Your Friends. 

• Smart Coaching A Nudge When You Need It.

• Move, Exercise, Stand – Make Closing all Three Activity Rings Your Goal Each Day.

• Workout App Track a Casual Hike, an Intense Ride, and Everything in Between.

• Swimproof Always Ready for the Pool or Ocean.

• Leave your phone at home and still get alerts from your favorite apps.
• Ask Siri to set a reminder, send a calendar invitation, or give you directions, all without your phone.
• Stream 40 Million Songs with Apple Music Right from Your Wrist.