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OnePlus Watch 3

OnePlusSmartwatch

Watch 3

Released February 2025.8Press articleandroidauthority.com/oneplus-watch-3-typo-letter-3530576Read 8 October 2026February 27 report shows early retail orders already shipped/received with the original backplate typo. General open sales were postponed to April. February 2025 is the first supported marketed-model retail month, not a claim that every colour or region shipped on the same date. Last checked 23 October 2026.

Case size
Not available
Platform
Wear OS
Display type
LTPO OLED
Battery life
120h

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General

Series
Watch1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Model numbers
OPWWE2511Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Original large OnePlus Watch 3 OPWWE251. The separately marketed 43 mm OPWE242 is excluded.7Maker product pageoneplus.com/uk/pstisocRead 8 October 2026Public list explicitly distinguishes OnePlus Watch3 OPWWE251 from OnePlus Watch3 43 mm OPWE242. PSTI security support is not an OS-update-years promise.
GTIN / EAN
Not available
Announced
18 February 20253Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026
Status
Not available
Predecessor
Not available
Successor
OnePlus Watch 411Reviewnotebookcheck.net/OnePlus-Watch-4-New-Wear-OS-smartwatch-detailed-before-global-release.1275026.0.htmlRead 23 October 2026Notebookcheck's preview says the OnePlus Watch 4 is replacing the OnePlus Watch 3.
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
GB1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026UK reference page, including its ECG-capable sensor table. North American ECG app eligibility is not inherited.
Colours
Obsidian Titanium1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Obsidian Titanium reference. The titanium wording describes the bezel, not an all-titanium housing.
Segment
Smartwatch1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
OS updates promised
Not available
Security updates until
Not available

Case

Case size
Not available
Case shape
Round1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Case material
Stainless steel1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Case material (as published)
Black stainless steel case with black titanium bezel1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Back
Plastic5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Design > Materials explicitly distinguishes Plastic back and Stainless-steel frame.
Case dimensions
Thickness11.75mm1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Maker publishes 46.6 mm excluding lugs x 47.6 mm x 11.75 mm excluding the sensor area. Height/width axes are not labelled, and secondary lists reverse their order. Only unambiguous thickness is stored.
Weight (case only)
49.7g(1.8 oz)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Size and Weight: 49.7 g excluding wrist strap.
Weight with strap
81g(2.9 oz)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Size and Weight: 81 g including the supplied wrist strap.

Durability

Water resistance
5ATM1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Water resistance standard
ISO 22810:20103Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 20265 ATM under ISO 22810:2010. Not suitable for diving/hot showers/sauna. No dive depth is inferred.
Dust and water rating
IP681Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Dive rating
Not available
Max dive depth
Not available
MIL-STD-810
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
MIL-STD-810 tests
Low pressure (altitude), High temperature, Low temperature, Temperature shock, Solar radiation, Rain, Humidity and heat, Salt spray, Sand and dust, Immersion, Vibration, Impact, Temperature-humidity-altitude, Fluid contamination, Acidic atmosphere, Ice accumulation and freezing rain1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Maker named MIL-STD-810H test list. The 70 C/-40 C durability tests are not operating-temperature limits.
Operating temperature
Min0Max35°C2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026NFC Description, printed page 4, instructs use within 0-35 C. Military thermal test extremes and VOOC charging battery-temperature limits are separate.

Display

Display type
LTPO OLED1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Display type (as published)
LTPO AMOLED1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Screen size
1.5in(3.8 cm)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Resolution
466 × 466px1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Pixel density
Not available
Display area
Not available
Touchscreen
Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026
Max refresh rate
Not available
Min refresh rate
Not available
Peak brightness
2,200nits1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Published peak up to 2200 nits, not a measured full-screen value.
Minimum brightness
Not available
Always-on display
Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026
Display cover
Sapphire1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Display cover (as published)
Sapphire crystal1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Platform

Platform
Wear OS1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
OS at launch
Wear OS 5 and RTOS3Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026
Software
Not available
Latest OS
Not available
Works with
Android2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026
Phone requirement
Android 9.0 or later with Google Mobile Services 23.45.23 or later and OHealth. iOS and Android Go are not supported.2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026
App store
Yes6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Google Play store supports downloading applications. Wear OS applications are restricted in RTOS Power Saver mode.
Voice assistants
Google Assistant2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Buttons and Touch, printed page 2, names Google Assistant as the default crown-hold action. Smart mode, Google account, supported region/language and internet through phone/Wi-Fi are required. No RTOS Power Saver or unverified Gemini availability is promised.10Reviewthe-gadgeteer.com/2025/03/16/oneplus-watch-3-review-a-solid-big-smartwatch-with-battery-for-literal-daysRead 8 October 2026Exact original model review actually uses Google Assistant by crown hold. Its erroneous iOS OHealth claim and partial daily charging observations are not imported. Current maker manual and Google support retain region/account/connectivity conditions.
Chipset
Qualcomm Snapdragon W51Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Main processor Snapdragon W5. Its process is distinct from the BES2800 MCU process.
Process
4nm5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Hardware > Snapdragon W5 Gen1 (4 nm), main application SoC. The maker 6 nm figure describes the separate BES2800 MCU and is not substituted here.
CPU cores
45Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026
CPU configuration
CountCoreMax clock (GHz)
4Cortex-A531.7
Source5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Hardware explicitly gives quad-core 1.7 GHz Cortex-A53.
Max CPU clock
1.7GHz
GPU
Adreno 7025Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026
Low-power coprocessor
BES2800BP1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Chip table explicitly names MCU BES2800BP. RTOS handles background/low-power tasks.

Memory

RAM
2GB4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Original large-model review spec table gives 2 GB RAM and 32 GB storage.
Storage
32GB1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Health sensors

Heart rate sensor
8-channel optical heart rate sensor2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Performance Parameters, printed page 6: 8-channel optical heart-rate sensor, with a separate 16-channel optical pulse-oximeter sensor.
ECG capability
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026UK table explicitly lists ECG hardware and ECG Analyzer. App availability depends on country, phone, age and current software. This is not a claim of worldwide ECG-app availability.
Blood oxygen sensing
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Skin temperature sensing
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Blood pressure feature
Not available
Body composition sensor
Not available
Skin conductance (EDA)
Not available
Medical clearances
Not available

Motion and environment sensors

Accelerometer
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Accelerometer range
Not available
Gyroscope
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Barometric altimeter
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Compass
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Ambient light sensor
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Depth gauge
Not available
Depth gauge range
Not available
Water temperature sensor
Not available

Health and fitness

Health features
Continuous heart rate, Heart rate alerts, ECG app, Blood oxygen app, Heart rate variability, Sleep tracking, Stress tracking1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Current maker health list: heart rate and high/low alerts, SpO2 spot/all-day checks, sleep quality/snoring-risk assessment, Mind and Body with HRV/stress and ECG Analyzer in eligible regions. Snoring-risk assessment is not sleep-apnea clearance.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Published continuous heart rate and HRV/stress functions. Current UK ECG is independently specified. US ECG app availability is excluded.
Fitness features
VO2 max, Running dynamics, Running power, Turn-by-turn navigation1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Professional Running explicitly names cadence, stride length, ground contact time/balance, vertical movement and running power. VO2 max and Google Maps turn directions are published on the linked product page. An over 100 claim is not an exact profile count.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Running VO2max and ground contact data plus Google Maps turn directions. No direct running/sport profile count is inferred from 100+.
Sport profiles
Not available
Dive modes
Not available
External sensors
Not available

Safety

We could not find any of these 6 fields. Show them
Fall detection
Not available
Car crash detection
Not available
Emergency SOS
Not available
Emergency siren
Not available
Live location sharing
Not available
Dedicated LED flashlight
Not available

Positioning

Positioning
GPS (L1 + L5), BeiDou, Galileo, GLONASS, QZSS1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Connectivity names GPS dual-band L1+L5 and BeiDou/Galileo/GLONASS/QZSS. Signal bands for the other constellations are not invented.
Dual-band GNSS
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Offline maps
Not available

Connectivity

Bluetooth
Not available
Bluetooth version
5.21Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Wi-Fi
Not available
Wi-Fi standard
Wi-Fi 45Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Connectivity explicitly lists 802.11 a/b/g/n. No Wi-Fi 5 inference from the 5 GHz band.
Wi-Fi bands
2.4 GHz, 5 GHz1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Cellular
No4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Reviewer explicitly states no LTE option for either original colour. Not derived solely from omitted radio entries.
Network
Not available
4G bands
Not available
5G bands
Not available
NFC
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Contactless payments
Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Payment services
Google Wallet1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Google Wallet country, bank/card and account requirements apply.
Ultra-wideband
Not available
Satellite
Not available
ANT+
Not available

Audio

Speaker
Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026
Microphones
Not available
Calls on the watch
Phone only4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Bluetooth calling through a paired phone. The exact original model has no cellular edition.
Music on the watch
Not available

Controls

Buttons
12Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Product Overview/Buttons and Touch, printed pages 1-2: Crown plus Lower button. The clickable rotating crown is not counted as an ordinary button.
Named operating buttons
Lower button2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Exact manual operating-control name, excluding Crown and strap-release controls.
Crown
Rotating haptic4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Reviewer describes physical rotation with Pixel-like scroll haptic feedback. Lower push button remains separate.
Rotating bezel
Not available
Gestures
Not available

Battery and charging

Battery capacity
631mAh2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Performance Parameters gives 648 mAh typical and 631 mAh rated. The stored figure is rated, matching the maker launch release. Typical capacity is not substituted without a separate field.
Claimed battery life
ModeWith solarHours (h)
SmartwatchNo120
Heavy useNo72
Low powerNo384
Source1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Up to claims: Smart mode 120 h uses official face, AOD off and Dual-Engine architecture, daily 30 min GPS running/5 min calls/15 min Bluetooth-headphone Spotify/6.5 h sleep. Heavy Smart mode 72 h uses third-party face, Dual-Engine off and AOD on, daily 30 min running/30 min music/15 min Google Maps/5 min calls/6.5 h sleep. Low-power RTOS mode 384 h retains notifications, calls and sleep tracking but limits Wear OS apps. No AOD-only or continuous-GPS row is inferred from the heavy mixed workload.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Up to claims: Smart mode 120 h uses official face, AOD off and Dual-Engine architecture, daily 30 min GPS running/5 min calls/15 min Bluetooth-headphone Spotify/6.5 h sleep. Heavy Smart mode 72 h uses third-party face, Dual-Engine off and AOD on, daily 30 min running/30 min music/15 min Google Maps/5 min calls/6.5 h sleep. Low-power RTOS mode 384 h retains notifications, calls and sleep tracking but limits Wear OS apps. No AOD-only or continuous-GPS row is inferred from the heavy mixed workload.
Smartwatch mode (claimed)
120h
AOD battery life (up to)
Not available
GPS mode (claimed)
Not available
Solar charging
Not available
Charging method
Magnetic pins2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Charging, printed page 3, fits metal watch charging connectors against charging-base contacts. Conductive pins, not an inferred Qi/inductive puck.9Press articleandroidcentral.com/accessories/oneplus-launches-a-little-cable-upgrade-you-didnt-know-your-charger-was-missingRead 8 October 2026Exact compatible OnePlus Watch 3 charging accessory explicitly uses an integrated magnetic pogo-pin connector. This corroborates the supplied-base metal-contact mechanism. Accessory power ratings are not transferred to watch maximum accepted power.
Charging guidance
Not available
Max charging power (watch)
Not available
Fast charging
Yes2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026VOOC flash charge is explicit. Uses supplied charging base/cable, battery temperature 20-40 C and a qualifying adapter rated 5 V/2 A or higher.
Quick charge claim
Charge time10 minUse time24 h3Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026Maker claims a full day of Smart-mode use from 10-minute charge. Includes the published battery workload, not arbitrary screen/GPS-on time. Flash charging also requires the qualifying base, adapter and battery temperature from the manual.
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
Not available

Measured

Peak brightness (measured)
Not available
Battery life (measured)
96h4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Original Obsidian Titanium review sample: reviewer regularly observed a full 4 days with AOD on, nightly sleep tracking and 1 hour tracked exercise/day. 96 h is exact conversion of the published 4 days. Firmware, exercise GNSS share and brightness are unstated. This is mixed-use observation, not standardized continuous GPS. Projected 6-7 day daytime/AOD-off claims and unspecified-start charging observations are omitted.
Battery tests (measured)
TestHours (h)
Mixed use, always-on96
Source4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Same 96 h AOD-on observational cycle as the scalar, original large Obsidian sample with nightly sleep and 1 h exercise/day. No 43 mm measurement is imported.
Full charge time (measured)
Not available

Strap

Lug width
22mm1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Published standard 22 mm watchband compatibility describes conventional strap attachment, not a decorative proprietary connector width.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Published standard 22 mm watchband compatibility describes conventional strap attachment, not a decorative proprietary connector width.
Quick-release strap
Yes2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Product Overview labels Strap Release and Attachment controls for the supplied conventional strap.10Reviewthe-gadgeteer.com/2025/03/16/oneplus-watch-3-review-a-solid-big-smartwatch-with-battery-for-literal-daysRead 8 October 2026Design and features identifies actual supplied strap quick-release buttons on the original large review sample. Not merely replacement-band compatibility.
Strap system
Standard 22 mm watchbands1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Linked maker product page explicitly supports all standard 22 mm watchbands.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Linked maker product page explicitly supports all standard 22 mm watchbands.
Strap material
Not available
Strap
Not available
Strap sizes
Wrist (min) (mm)Wrist (max) (mm)
140210
Source1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Regulatory

FCC ID
Not available
SAR limb (US)
Not available
SAR limb (EU)
0.312W/kg2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026English CE SAR section, printed page 5: limb 0.312 W/kg in direct contact with the watch back. Face 0.150 W/kg is excluded.
Other certifications
Not available

In the box

In the box
Watch body, Charging base, Strap, Safety Guide, Quick Start Guide, USB-C charging cable1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026
Power adapter in box
No1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Complete box list supplies charging base and cable but no mains/USB power adapter.

Warranty

We could not find any of these 1 fields. Show them
Manufacturer warranty (source market)
Not available

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Sources

We read 11 sources for this smartwatch. The numbers match the markers in the sheet.

  1. Read 8 October 2026Backs 51 fields
  2. Read 8 October 2026Backs 13 fields
  3. Read 8 October 2026Backs 4 fields
  4. Read 8 October 2026Backs 9 fields
  5. Read 8 October 2026Backs 6 fields
  6. Read 8 October 2026Backs 6 fields
  7. Maker product pageoneplus.com/uk/pstisoc
    Read 8 October 2026Backs 1 field
  8. Read 8 October 2026Backs 1 field
  9. Read 8 October 2026Backs 1 field
  10. Read 8 October 2026Backs 2 fields
  11. Read 23 October 2026Backs 1 field

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