Amazfit · 2019
Smartwatch 2 ECGSize, Dimensions & Wrist Fit
The Amazfit Smartwatch 2 ECG sits best on flat wrist widths of about 37–51mm (≈ 9.9–13.6cm wrist circumference). Adjust the slider below to check your wrist.
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The Smartwatch 2 ECG in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 5 days of use per charge.
- Water rated to 50 m.
- 49g on the wrist. Heavier than 86% of the 35mm watches we have weights for.
- 1.39 inches OLED/AMOLED display.
- Takes 14mm bands, so third-party straps fit without an adapter.
Does the Smartwatch 2 ECG fit your wrist?
Drag the slider to your wrist width and see the Smartwatch 2 ECG overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Happy with the fit? Check current availability for the Smartwatch 2 ECG.
Find it on AmazonSmartwatch 2 ECG battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch5 days
What size band does the Smartwatch 2 ECG take?
Lug width
14mm
Any 14mm strap fits, so you are not restricted to Amazfit's own bands. Quick-release pins let you swap without tools — check that a replacement lists 14mm and quick-release before buying.
Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.
Smartwatch 2 ECG specifications
The figures that decide a purchase, followed by every line Amazfit publishes.
- Battery life
- 5 days
- Display
- 1.39 inches
- Resolution
- 454 x 454 px
- Water rating
- Waterproof
- Glass
- Gorilla Glass 3
- Strap
- 14 mm
- Storage
- 4GB
- Charging
- 1.5 hours
Full specification sheet
110 published lines across 8 groups, unedited
Design
- width
- 35.4
- height
- 35.4
- volume
- 17.17 cm³
- weight
- 49 g
- thickness
- 13.7
- resolution
- 454 x 454 px
- screen size
- 1.39 inches
- Display type
- OLED/AMOLED
- Has a display
- pixel density
- 462 ppi
- width of band
- 14 mm
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- Gorilla Glass version
- Gorilla Glass 3
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Has sapphire glass display
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
Battery
- charge time
- 1.5 hours
- battery life
- 5 days
- battery power
- 420 mAh
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
Sensors
- has GPS
- has a compass
- Has a barometer
- has a gyroscope
- Has a cadence sensor
- has an accelerometer
- Monitors perspiration
- Has a heart rate monitor
- Has a temperature sensor
- Monitors blood oxygenation levels
Features
- RAM
- 0.5GB
- CPU speed
- 4 x 1.1 GHz
- release date
- 2019-06-11
- Has a stopwatch
- Has smart alarm
- warranty period
- 1 years
- Has call control
- Has silent alarm
- internal storage
- 4GB
- Has notifications
- Has ECG technology
- Locates your phone
- has a front camera
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- number of microphones
- 1
- Can be used to answer calls
- has irregular heart rate warnings
- Has a built-in camera remote control function
Connectivity
- has NFC
- supports ANT+
- supports Wi-Fi
- supports Galileo
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- has aptX
- Has passcode
- Has auto pause
- Is compatible with Windows
- Is compatible with Mac OS X
- has an external memory slot
- Compatible with smart scales
- has a battery level indicator
- has a socket for a 3.5 mm audio jack
- Compatible with external heart rate monitors
App & Software
- Ad-free
- Free app
- Tracks BMI
- Has coaching
- Includes maps
- Supports routes
- Has achievements
- Has goal setting
- Has live tracking
- Has exercise diary
- Predicts ovulation
- Can be personalised
- Has weight tracking
- Predicts start date
- Tracks water intake
- Has inactivity alerts
- Has period notifications
- Has temperature tracking
- Provides activity reports
- Displays fertile window notifications
- Counts how many calories you've burned
Activity tracking
- Measures pace
- Tracks distance
- Tracks elevation
- Designed for golf
- Tracks your sleep
- Tracks steps taken
- Designed for diving
- Has a route tracker
- Has exercise tagging
- Has multi-sport mode
- Tracks calorie intake
- Provides sleep reports
- Detects activities automatically
- Has a stroke counter for swimming
Compare the Smartwatch 2 ECG head to head
How each one differs in the three measurements you can feel on the wrist. Figures are relative to the Smartwatch 2 ECG.
Alternatives to the Smartwatch 2 ECG
Watches that cover a similar amount of wrist, with the measurements that separate them.
Amazfit
Nexo
- Width
- 35.4mm
- Thick
- 13.7mm
- Weight
- 49g
Amazfit
Smartwatch 2
- Width
- 35.4mm
- Thick
- 13.7mm
- Weight
- 49g
Amazfit
Bip U Pro
- Width
- 35.5mm
- Thick
- 11.4mm
- Weight
- 31g
Amazfit
Pop Pro
- Width
- 35.5mm
- Thick
- 11.4mm
- Weight
- 31g
Amazfit
Pop
- Width
- 35.5mm
- Thick
- 11.4mm
- Weight
- 31g
Amazfit
Bip U
- Width
- 35.5mm
- Thick
- 11.4mm
- Weight
- 31g
Smartwatch 2 ECG — Frequently Asked Questions
Will the Amazfit Smartwatch 2 ECG fit my wrist?
The Amazfit Smartwatch 2 ECG looks balanced on flat wrist widths of roughly 37–51mm (about 9.9–13.6cm circumference). Drag the slider above to check it against your own measurement.
What size band does the Amazfit Smartwatch 2 ECG take?
14mm. Any 14mm strap fits, so you are not limited to Amazfit's own bands — look for a quick-release fitting if you want to swap without tools.
How long does the Amazfit Smartwatch 2 ECG battery last?
Amazfit rates it at 5 days per charge in everyday use.
Is the Amazfit Smartwatch 2 ECG thick for a 35mm watch?
At 13.7mm, thicker than 96% of 35mm watches — it will sit noticeably high on the wrist. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
What other watches are the same size as the Amazfit Smartwatch 2 ECG?
Apple Watch Series 11 - GPS + Cellular · Titanium · 42mm, Certina DS Action Quartz 34.5 Stainless Steel - Yellow Gold / MOP / Bracelet, Tissot PRX Quartz 35 Stainless Steel / Red, Garmin Lily® 2 all sit within half a millimetre of the Amazfit Smartwatch 2 ECG's 35.4mm case, so they cover the same amount of wrist.
