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Wearable comparison

Huawei Watch D3 vs Apple Watch Series 12 42mm

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Huawei Watch D3

Huawei Watch D3

  • 40 g.
  • 1.92 inch screen.
  • Unspecified processor.
  • Runs HarmonyOS.
  • Unspecified.
KSh 75,000Out of Stock
02
Apple Watch Series 12 42mm

Apple Watch Series 12 42mm

  • Apple S11 chip; 4-core Neural Engine processor.
  • 64 GB storage in this version.
  • Runs watchOS 27.
  • Wi-Fi 4 support.
  • Touchscreen for direct touch input.
KSh 64,000In Stock
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Apple Watch Ultra 3KSh 90,000
Samsung Galaxy Watch Ultra 2 47mmKSh 62,000
Apple Watch Ultra 4 49mmKSh 118,000
Google Pixel Watch 5 45mmKSh 64,000
Apple Watch Series 12 46mmKSh 70,000
Apple Watch UltraKSh 90,000
Apple Watch Ultra 2KSh 103,500
2 of 4 products

Our quick verdict

The Apple Watch Series 12 42mm runs watchOS built around the iPhone, gives daily readiness scores and is swimproof to 50 m and lighter to wear all day, though it works only with an iPhone, while the Huawei Watch D3 takes cuff-based blood-pressure readings, lasts much longer between charges (6 days vs 24 hours) and works with Android phones and iPhones, though it is not water-resistant.

Performance

Huawei Watch D3
Unspecified processor
Apple Watch Series 12 42mm
Apple S11 chip; 4-core Neural Engine processor

Software

Huawei Watch D3
Runs HarmonyOS
Apple Watch Series 12 42mm
Runs watchOS 27

Portability

Huawei Watch D3
40 g
Apple Watch Series 12 42mm
32.2 g

Display

Huawei Watch D3
1.92-inch display
Apple Watch Series 12 42mm
OLED display, 326 ppi

Connections

Huawei Watch D3
Bluetooth 6.0
Apple Watch Series 12 42mm
Wi-Fi 4, Bluetooth 5.3

Key differences

The main differences to help you choose.

Huawei Watch D3

  • Longer battery life: up to 6 days (vs 24 hours).
  • Cuff-based blood-pressure readings (built-in pump and inflatable strap).
  • Brighter display: up to 3,000 nits (vs 2,000).
  • Works with Android phones and iPhones.
  • Newer Bluetooth 6.0 (vs 5.3).

Apple Watch Series 12 42mm

  • Swimproof: water resistant to 50 m (the other is not water-resistant).
  • Lighter: 32.2 g (vs 40 g).
  • Daily readiness scores.
  • Second-generation Ultra Wideband chip.
  • Depth gauge to 6 m.
  • Cellular option (LTE/5G models) for calls and data without your phone.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityHuawei Watch D3Apple Watch Series 12 42mm
Battery lifeLasts up to 6 days in typical use or 1 day with ABPM enabledUp to 24 hours per charge
Display1.92-inch displayOLED display, 326 ppi
SoftwareHarmonyOSwatchOS 27
PerformanceUnspecified processorApple S11 chip processor
StorageUnspecified64 GB storage
Water resistanceNo official water-resistance rating50 m swimproof under ISO 22810:2010

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Display1.92 inchesAlways-On Retina LTPO3 wide-angle OLED
Screen resolution408 × 480 pixels, PPI 32842mm: 374 × 446 pixels, 970 mm² display area. 46mm: 416 × 496 pixels, 1196 mm² display area. Both: 326 ppi.
Display featuresAMOLED, 3000 nits (peak)1 Hz refresh; up to 2,000 nits peak brightness; 1 nit minimum brightness
Display protection—Ceramic Shield 2 on aluminum cases; sapphire front crystal on titanium and ceramic cases

Connectivity

Connectivity specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Network / cellularNo cellular connectivity5G RedCap and LTE on GPS + Cellular models; international roaming supported
SIM / eSIMNo cellular connectivityeSIM on GPS + Cellular models
Wi-FiNo Wi-Fi connectivityWi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz
Bluetooth2.4 GHz, Bluetooth 6.0 supporting BR and BLEBluetooth 5.3
NFCYes (market/region dependent)Supported; Apple Pay
Positioning / GNSSGPSPrecision L1 GPS; GLONASS; Galileo; QZSS; BeiDou
Ultra Wideband (UWB)NoSecond-generation Ultra Wideband chip
Satellite featuresNo—

Identity & design

Identity & design specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
BrandHuaweiApple
ModelWatch D3Apple Watch Series 12 (42mm and 46mm configurations)
Announced2026, September 029 September 2026
Dimensions46.5 x 41 x 11.3 mm (1.83 x 1.61 x 0.44 in)42mm: aluminum/titanium 42 × 37 × 9.7 mm; ceramic 43 × 37 × 9.85 mm. 46mm: aluminum/titanium 46 × 40 × 9.7 mm; ceramic 47 × 41 × 9.85 mm.
Weight40 g (1.41 oz)42mm: aluminum GPS 32.2 g, GPS + Cellular 31.5 g, titanium 36.5 g, ceramic Pearl White 41.7 g / Night Blue 42.8 g. 46mm: aluminum GPS 39.5 g, GPS + Cellular 38.6 g, titanium 44.9 g, ceramic Pearl White 51.3 g / Night Blue 52.9 g.
Build materialsGlass front, aluminum frame, plastic backAluminum, titanium or ceramic case, depending on configuration
Wrist size130-210 mm M-sized strap 130-160 mm L-sized strap 161-210 mm Strap width 25.5 mm42mm: 130–200 mm; 46mm: 140–245 mm
Strap / bandSand Composite Leather Strap White Composite Leather Strap Black HNBR StrapBand supplied; material and size depend on the selected configuration
Controls / buttonsRotating crown Function and ECG buttonDigital Crown with haptic feedback; side button; band-release button; single tap, double tap and wrist flick gestures

Performance & software

Performance & software specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
ProcessorUnspecifiedApple S11 chip; 4-core Neural Engine
CPUUnspecified64-bit dual-core
GPUUnspecified—
RAMUnspecified—
StorageUnspecified64 GB
Operating systemHarmonyOSwatchOS 27

Audio & communication

Audio & communication specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
SpeakerYesSpeaker with media playback
MicrophoneYesMicrophone with Voice Isolation
CallingYesBluetooth calling; cellular calling on GPS + Cellular models; international emergency calling

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Sensors9-axis IMU sensor (Accelerometer sensor, Gyroscope sensor, Magnetometer sensor) Optical heart rate sensor ECG sensor Ambient light sensor Barometer sensor Temperature sensor Differential pressure sensor Hall sensorHigh-g accelerometer; high dynamic-range gyroscope; compass; always-on altimeter; ambient-light sensor; second-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor
Health & wellness featuresYesHeart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications
Sleep trackingYesSleep duration and stages; sleep score; sleep-apnea notifications
Sports / workout modes100+ workout modesRunning; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more
Training & outdoor featuresYesCustom workouts and views; Training Load; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints and Backtrack
Safety & emergency featuresNoEmergency SOS; international emergency calling; Fall Detection; Crash Detection; flashlight; Check In; noise monitoring; emergency waypoints
Diving / depth featuresNoDepth gauge to 6 m; water-temperature sensor

Battery & durability

Battery & durability specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Battery lifelasts up to 6 days in typical use or 1 day with ABPM enabled.Up to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours outdoor workout
ChargingWireless chargingFast-charge capable; up to 80% in about 30 minutes; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking
Water resistanceNot water-resistant50 m swimproof under ISO 22810:2010
Durability / certificationsBlood Pressure Measurement & ECG with built-in pump & inflatable strap ECG certified Medical-grade and ambulatory blood pressure monitoringIP6X dust resistance

Compatibility

Compatibility specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Phone compatibilityAndroid 8.0 or later iOS 13.0 or lateriPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later
Companion appHuawei Health AppApple Watch app on iPhone; Health and Fitness apps for associated data
ColorsMocha Gold, Gold, BlackAluminum: Dark Bronze, Light Gold, Black, Space Gray; titanium: Radiant Gold, Natural; ceramic: Pearl White, Night Blue

Additional specifications

Additional specifications specifications comparison
SpecificationHuawei Watch D3Apple Watch Series 12 42mm
Flashlight—Supported
Display material—LTPO3 wide-angle OLED
Pixels per inch—326 ppi
Peak brightness—Up to 2,000 nits peak; 1 nit minimum
Cover / touchscreen—Supported
Charging time—About 30 minutes to 80%; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking
Packing list—Apple Watch Series 12; band; 1 m magnetic fast-charger to USB-C cable
Release status—Available. Released 2026, September 18
Model numbers—A3582, A3587
Card slot—No
Camera—No
3.5 mm headphone jack—No
USB—No
Radio—No
2G bands—GSM 850 / 900 / 1800 / 1900
3G bands—HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands—1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71
5G bands—1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 66, 71 SA/NSA
Network speed—HSPA, LTE, 5G
Additional hardware features—Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor; Temperature sensing (0.01˚ accuracy); Media playback

Similarities

  • Both work with a companion app.
  • Both have NFC.
  • Both take ECG readings.
  • Both take calls over Bluetooth.
  • Both connect over Bluetooth.

In summary

Get the Huawei Watch D3 if you want cuff-based blood-pressure readings and much longer battery life, or the Apple Watch Series 12 42mm if you would rather have daily readiness scores and a swimproof build.

Back to compared products ↑

In-stock alternatives

Apple Watch Series 12 46mmFor Huawei Watch D3Apple Watch Series 12 46mmView product ↗Google Pixel Watch 5 45mmFor Huawei Watch D3Google Pixel Watch 5 45mmView product ↗Samsung Galaxy Watch Ultra 2 47mmFor Apple Watch Series 12 42mmSamsung Galaxy Watch Ultra 2 47mmView product ↗Apple Watch UltraFor Apple Watch Series 12 42mmApple Watch UltraView product ↗

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