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General
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Available
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Dimensions
| | | | | | | | | | - 36.7 x 23.1 x 11.2 mm (L x W x H)
| - 40.5 x 40.5 x 11.2 mm (L x W x H)
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Weight
| - 40g (aluminium) 45 g (steel)
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Colors
| - Dark Black
- Gold
- Elegant Black
- Pink Gold
- Silver
- Matte Silver
| - Stainless Steel
- Titanium Grey Stainless Steel
- Black Stainless Steel
| | | | - Moonlight Silver
- Midnight Black
| | | | | - Black
- Waterfall Blue
- Pink Sand
- Beet Juice
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Straps
| | | | | | | | - Black Fluoroelastomer Strap
- Brown Composite Leather Strap
- Blue Woven Strap
| - Black Fluoroelastomer Strap
- Blue Fluoroelastomer Strap
- White Composite Leather Strap
- Brown Woven Strap
- Gold Milanese strap
| - S / L Silicone Straps
- Interchangeable Straps
| - Silicone Rubber Straps
- Interchangeable Straps
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Network
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Compatibility
| | - Android 4.4
- iOS 9.0 or later
| | | | - Android 6.0+
- iOS (Not Supported)
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Key features
| - Wireless charging
- 5ATM water resistant
- eSIM
- AMOLED display
- 4G
- Aluminium/Steel body
- ECG certified
| - 50m water resistant
- Bluetooth 5.1
- Heart rate monitor
- Bluetooth calling
| - 5ATM water resistant
- 24-hour heart rate monitor
- Sapphire glass
- Titanium casing
- Wireless charging
| - Seamless menu navigation through a rotating bezel
- Sapphire crystal display with stainless steel frame construction
- IP68 dust and water resistant
- Built-in speaker and vibration motor for notifications
- Up to 45% fast charging in 30 min
- 24-hour blood pressure monitoring with alerts
| - Advanced health monitoring with next-gen BioActive sensor
- Sapphire crystal display with aluminum frame construction
- IP68 dust and water resistant
- Low energy wireless connectivity via Bluetooth 5.3
- High performance 3nm processor
- 2GB RAM and 32GB of storage
| - IP68 dust & water resistant
- 5ATM water resistant
- AMOLED display
- Heart / Blood Oxygen / Stress monitoring
- 110+ workout modes
- GLONASS / GALILEO / BDS GPS
| - Seamless menu navigation through a rotating bezel
- Sapphire crystal display with stainless steel frame construction
- IP68 dust and water resistant
- Built-in speaker and vibration motor for notifications
- Up to 45% fast charging in 30 min
- 24-hour blood pressure monitoring with alerts
| - Always-on AMOLED display
- Dual-band navigation system
- Fitness and activity tracking
- 100+ workout modes
- Built-in speaker and microphone
- Stainless steel frame
| - Always-on AMOLED display
- Dual-band navigation system
- Fitness and activity tracking
- 100+ workout modes
- Built-in speaker and microphone
- Stainless steel frame
| - Built-in GPS (and GLONASS) for accurate pace and distance tracking
- Up to 7 days battery life under typical use
- Water resistance up to 50 m (5 ATM) suitable for swimming
- ECG app and irregular heart rhythm (Afib) detection with notifications
- Over 40 exercise modes and automatic workout recognition
- Google tools support - Wallet & Maps for payments and navigation
| - Built‑in GPS for realtime pace & distance
- 24/7 heart rate monitoring with high/low alerts
- Daily Readiness Score (with Fitbit Premium) based on activity / sleep
- VO₂ max estimate to gauge fitness level
- Google tools support - Wallet & Maps for payments and navigation
- Long battery life (up to 6+ days) and water resistant to 50 m
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Frame
| | | | | - Aluminum Frame - Armor Aluminum 2
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Platform
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Operating system
| | | | - Android Wear OS 4
- One UI Watch 5
| - Android Wear OS 5
- One UI Watch 6
| | - Android Wear OS 4
- One UI Watch 5
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Processor
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Chipset
| - Qualcomm Snapdragon Wear 2500
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Graphics processor
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RAM
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Storage
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Card slot
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Battery
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Battery features
| | | | - 10W Qi Wireless Charging
- 0 - 45% in 30 Min
| | - Up to 14 Days Typical Use
- Up to 5 Days Sleep Blood Oxygen Monitoring
- Up to 25h Continuous Exercise with GPS
| - 10W Qi Wireless Charging
- 0 - 45% in 30 Min
| - Wireless Charging
- Up to 14 Days Restricted Usage
- Up to 9 Days Typical Usage
- Up to 5 Days with Always-on Display Enabled
| - Wireless Charging
- Up to 7 Days Restricted Usage
- Up to 5 Days Typical Usage
- Up to 3 Days with Always-on Display Enabled
| - Up to 7 Days Battery Life - Standard Use
- 0 - 100% In 2h
| - Up to 6 Days Battery Life
- 12 Min Charging = Up to Full Day Use
- 0-100% in 2h
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Platform features
| | | - 5ATM Water Resistant
- Titanium Casing
| - ECG Certified
- Blood Pressure Tracking
- Heart Rate Tracking
- Activity Tracking
- Sleep Tracking
- Blood Oxygen Saturation Tracking
- Built-in Speaker and Microphone
| - ECG Certified
- Blood Pressure Tracking
- Heart Rate Tracking
- Activity Tracking
- Sleep Tracking
- Blood Oxygen Saturation Tracking
- Built-in Speaker and Microphone
| - 316L Stainless Steel Case
- Fluoroelastomer Strap
- IP68 Dust & Water Resistant
- Inbuilt Speaker + Mic
- Stress / Heart Rate / Blood Oxygen Tracking
- 110+ Workout Types
| - ECG Certified
- Blood Pressure Tracking
- Heart Rate Tracking
- Activity Tracking
- Sleep Tracking
- Blood Oxygen Saturation Tracking
- Built-in Speaker and Microphone
| - Sleep / Activity / Stress / Blood Oxygen Monitoring / Women Health Monitoring / Guided Meditations / Breathing Exercises
- Built-in Speaker
- Built-in Microphone
- Rotating Crown
| - Sleep / Activity / Stress / Blood Oxygen Monitoring / Women Health Monitoring / Guided Meditations / Breathing Exercises
- Built-in Speaker
- Built-in Microphone
- Rotating Crown
| - Sleep / Stress / Heart Rate / Blood Oxygen Monitoring
- Vibration Motor
- ECG certified
| - Sleep / Stress / Heart Rate / Blood Oxygen Monitoring
- Vibration Motor
- Built-in Microphone and Speaker
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Software applications
| | | | - 90+ Exercise Modes
- Customizable Watch Faces
- Sleep Coaching
- Bixby / Google Assistant
| - 100+ Exercise Modes
- Customizable Watch Faces
- Sleep Coaching
- Google Assistant
| | - 90+ Exercise Modes
- Customizable Watch Faces
- Sleep Coaching
- Bixby / Google Assistant
| - 100+ Workout Modes
- 11+ Watch Faces
| - 100+ Workout Modes
- 11+ Watch Faces
| - 40+ Workout Modes
- Call / Text / App Notifications
| - 40+ Workout Modes
- Call / Text / App Notifications
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IP rating
| | | | - IP68 Dust and Water Resistant
- 50M Water Resistant
- MIL-STD-810H Certified
| - IP68 Dust and Water Resistant
- 50M/5ATM Water Resistant
- MIL-STD-810H Certified
| | - IP68 Dust and Water Resistant
- 50M Water Resistant
- MIL-STD-810H Certified
| - IP69K Water Resistant
- 5ATM Water Resistant
- 50M Water Resistant for 10 Min
| - IP69K Water Resistant
- 5ATM Water Resistant
- 50M Water Resistant for 10 Min
| - 50M / 5ATM Water Resistant
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Display
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Display size
| - 1.91 inches
- 402 x 476 pixels
| - 1.39 inches
- 454 x 454 pixels
| - 1.39 inches
- 454 x 454 pixels
| - 1.3 Inches
- 432 x 432 Pixels
| - 1.3 Inches
- 432 x 432 Pixels
| - 1.39 inches
- 454 x 454 pixels
| - 1.5 Inches
- 480 x 480 Pixels
| - 1.43 Inches
- 466 x 466 Pixels
| - 1.32 Inches
- 466 x 466 Pixels
| - 1.04 Inches
- 170 x 260 Pixels
| - 1.58 Inches
- 336 x 336 Pixels
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Display type
| - AMOLED flexible screen
- 16M colors
| | | - Super AMOLED Screen
- 16M Colors
| - Super AMOLED Screen
- 16M Colors
| | - Super AMOLED Screen
- 16M Colors
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Pixel density
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Display features
| | | | - Sapphire Crystal Glass
- Always-on Display
| - Sapphire Crystal Glass
- Always-on Display
| | - Sapphire Crystal Glass
- Always-on Display
| | | - Customizable Clock Faces
- Always-on Display
- Gorilla Glass 3
- 450 Nits Peak Brightness
| - Customizable Clock Faces
- Always-on Display
- Gorilla Glass 3
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Sensors & Connectivity
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Sensors
| - Accelerometer
- Heart Rate
- Gyro
- Barometer
| - Accelerometer
- Heart Rate
- Gyro
- Barometer
- Compass
| - Accelerometer
- Heart Rate
- Gyro
- Barometer
- Compass
- Sp02
- VO2max
| - Accelerometer
- Optical & Electrical Heart Rate
- Bioelectrical Impedance
- Gyro
- Barometer
- Compass
- Ambient Light
- Hall
- Body Temperature
| - Accelerometer
- Optical & Electrical Heart Rate
- Bioelectrical Impedance
- Gyro
- Barometer
- Compass
- Ambient Light
- Hall
- Body Temperature
- Altimeter
- SpO2
| - Accelerometer
- Heart Rate
- Blood Oxygen
- Gyro
- Geomagnetic
- Ambient Light
- Barometer
- Capacitance
| - Accelerometer
- Optical & Electrical Heart Rate
- Bioelectrical Impedance
- Gyro
- Barometer
- Compass
- Ambient Light
- Hall
- Body Temperature
| - Accelerometer
- Optical Heart Rate
- Gyro
- Barometer
- Compass
- Sp02
- Body Temperature
- Ambient Light
| - Accelerometer
- Optical Heart Rate
- Gyro
- Barometer
- Compass
- Sp02
- Body Temperature
- Ambient Light
| - Accelerometer
- Optical Heart Rate
- Step Counter
- Skin Temperature
- SpO2
- ECG
| - Accelerometer
- Optical Heart Rate
- Step Counter
- Skin Temperature
- SpO2
- Altimeter
- Ambient Light
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Connectivity
| - Bluetooth 4.2
- NFC
- WiFi
- GPS
- GLONASS
- BDS
| - Bluetooth 5.1
- NFC (Optional)
- GPS
- GLONASS
- GALILEO
| - Bluetooth 5.1
- GPS
- GLONASS
- GALILEO
| - Bluetooth 5.3
- NFC
- Dual-band Wi-Fi
- GPS / GLONASS / GALILEO / BDS
| - Bluetooth 5.3
- NFC
- Dual-band Wi-Fi
- GPS / GLONASS / GALILEO / BDS
| - Bluetooth 5.0
- GPS
- GLONASS
- GALILEO
- BDS
| - Bluetooth 5.3
- NFC
- Dual-band Wi-Fi
- GPS / GLONASS / GALILEO / BDS
| - Wi-Fi
- Bluetooth 5.2
- GPS / GLONASS / GALILEO / BDS / QZSS
- NFC
| - Wi-Fi
- Bluetooth 5.2
- GPS / GLONASS / GALILEO / BDS / QZSS
- NFC
| - Bluetooth 5.0
- GPS
- GLONASS
- NFC
| - Bluetooth 5.0
- GPS / GLONASS
- Wi-Fi
- NFC
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Sensors & connectivity features
| | | | | | | | | | | - Alexa Built-in
- Bluetooth Audio Calls
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