Watch Series 2 Connected Forerunner 225 Watch Alta
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Basic Info

Suggested Price $269 $245 $300 $349 $130
Release 2016 2016 2015 2015 2016

Activity & Fitness

Calories
Cycling (Bicycling) n/a
Distance
Heart n/a
Oxygen n/a
Sleep
Steps
Swim n/a

Battery

Duration 18 hours 6 months 10 hours to 4 weeks n/a 5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a
Mac n/a n/a n/a
Windows n/a n/a n/a

Connectivity

Bluetooth
Cellular n/a
GPS n/a
NFC n/a
Wi-Fi n/a

Display

Color n/a
Resolution 340 x 272 or 390 x 312 n/a 180 x 180 400 x 400 n/a
Size 1.5 inches or 1.65 inches n/a 1 inch 1.4 inches n/a
Touch n/a n/a
Type AMOLED n/a n/a AMOLED OLED

Functions

Audio Speaker n/a 22 n/a
Clock
Phone n/a
Vibration
Voice n/a

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor n/a
Water Resistance 5ATM 10 ATM 5 ATM n/a n/a

Notifications

Phone n/a
Emails n/a n/a
Texts n/a

Software

Operating System Watch OS n/a n/a Android Wear n/a
Apps n/a n/a
Music n/a n/a

All Wearables