The Google Pixel Watch 4 was announced on August 20, 2025, and went on sale October 9, 2025. Its U.S. launch prices ranged from $349 for the 41mm Wi-Fi/Bluetooth model to $499 for the 45mm LTE model; current offers may differ. Choose the 41mm for a smaller, lighter fit or the 45mm for a larger display and higher Google battery-life estimates.
Release date and launch price
Google announced the Pixel Watch 4 on August 20, 2025, and said it would be on shelves starting October 9, 2025.
These are the announced U.S. launch prices, not current offers:
| Model | Connectivity | U.S. launch price |
|---|---|---|
| 41mm | Wi-Fi/Bluetooth | $349 |
| 41mm | LTE | $449 |
| 45mm | Wi-Fi/Bluetooth | $399 |
| 45mm | LTE | $499 |
Prices, stock, colors, and retailer offers can change. Check the seller and exact configuration before buying.
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Compare listings: If shopping in the U.S., check the case size and Wi-Fi/Bluetooth or LTE configuration before buying a Google Pixel Watch 4.
What is new about the Pixel Watch 4?
Google describes the Pixel Watch 4 as a redesign featuring a domed Actua 360 display, up to 3,000 nits peak brightness, Snapdragon W5 Gen 2 hardware, and higher rated battery life than the previous generation. It also includes health and fitness sensors and supports standalone emergency satellite communication on LTE models, subject to availability and requirements.
Battery life and charging figures are Google’s estimates based on pre-production hardware and software, not guaranteed results. Health, connectivity, and satellite features may depend on software, country, carrier, or service requirements.
41mm versus 45mm: which size should you buy?
| Feature | 41mm | 45mm |
|---|---|---|
| Best for | Smaller, lighter fit | Larger display and higher rated battery life |
| Approximate wrist fit | 130–210mm | 150–215mm |
| Dimensions and weight | 41mm diameter, 12.3mm tall; 31.0g without band | 45mm diameter, 12.3mm tall; 36.7g without band |
| Typical battery capacity | 325mAh | 455mAh |
| Rated battery life with always-on display | Up to 30 hours | Up to 40 hours |
| Rated Battery Saver life | Up to 48 hours | Up to 72 hours |
| U.S. Wi-Fi/Bluetooth launch price | $349 | $399 |
Google’s listed wrist-fit ranges overlap. Band fit can vary, so check the sizing for the specific band included with the configuration you order.
Choose the 41mm if you prefer a smaller, lighter watch or have a smaller wrist. Choose the 45mm if you want a larger display and higher Google battery-life estimates.
Before ordering: Compare the Google Pixel Watch 4 by case size and connectivity. A 41mm Wi-Fi/Bluetooth model and a 45mm LTE model are different purchases.
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Full Pixel Watch 4 specifications
| Specification | Pixel Watch 4 |
|---|---|
| Case sizes | 41mm and 45mm |
| Operating system | Wear OS 6.0 |
| Processor | Qualcomm Snapdragon W5 Gen 2 with Cortex-M55 co-processor |
| Storage and memory | 32GB eMMC storage and 2GB SDRAM |
| Display | Actua 360 AMOLED LTPO, 320ppi |
| Peak brightness | Up to 3,000 nits |
| Glass | Gorilla Glass 5 |
| Wireless connectivity | Bluetooth 6.0, Wi-Fi, NFC, and UWB |
| Cellular | LTE on LTE variants; compatible carrier and separate service plan required |
| Location | Dual-frequency GPS |
| Water and dust ratings | 5 ATM and IP68 |
| Charging | USB-C Quick Charge Dock |
| Phone compatibility | Most phones running Android 11.0 or newer; Google Account and Pixel Watch app required; Android Go is not supported |
Display and design
The Actua 360 display is domed. Google says its active display area is 10% larger than the Pixel Watch 3 and reaches up to 3,000 nits peak brightness. These are Google’s product claims; peak brightness does not indicate sustained brightness in every situation.
Both sizes use an AMOLED LTPO display with 320ppi. The case dimensions and weights differ: the 41mm is 41mm in diameter, 12.3mm tall, and 31.0g without its band; the 45mm is 45mm in diameter, 12.3mm tall, and 36.7g without its band.
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Battery life and charging
Google rates the 41mm Pixel Watch 4 for up to 30 hours with always-on display enabled and the 45mm for up to 40 hours. Battery Saver ratings are up to 48 and 72 hours respectively.
These are approximate manufacturer estimates based on testing in California in 2025 with pre-production hardware and software, default settings, and a median Pixel-user battery-use profile. They are not guaranteed for individual use. GPS, LTE, workouts, notifications, screen brightness, temperature, software, and battery age can affect results.
Charging times
| Charge target | 41mm | 45mm |
|---|---|---|
| Approximately 50% | 15 minutes | 15 minutes |
| Approximately 80% | 25 minutes | 30 minutes |
| Approximately 100% | 45 minutes | 60 minutes |
Google’s estimated charging times use the included USB-C Quick Charge Dock. The dock is in the box, so an additional charger is optional. Charging times can vary.
A spare Pixel Watch 4 charging dock may be useful for travel or another room. Verify exact model compatibility before buying an accessory.
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Health and fitness tracking
Google lists these sensors and sensor features:
- Optical heart-rate sensor
- Electrical sensors compatible with ECG assessment
- Red and infrared sensors for blood-oxygen tracking
- Skin-conductance sensor
- Skin-temperature sensor
- Accelerometer and gyroscope
- Altimeter, compass, barometer, and magnetometer
- Ambient-light sensor
Google highlights sleep-stage classification, skin-temperature sensing, dual-frequency GPS, automatic workout detection, more than 50 exercise modes, and cycling statistics streamed to the Fitbit app. Google claims its sleep model is 18% more accurate at classifying complete sleep cycles than the previous approach. This is a manufacturer comparison, not an independent test result.
ECG assessment, blood-oxygen tracking, loss-of-pulse features, and other health functions may be limited by country, regulatory approval, or software. These features are not a substitute for medical advice or diagnosis.
Wear OS and Google features
The Pixel Watch 4 runs Wear OS 6.0. Google describes Gemini features, including Raise to Talk and Smart Replies. Feature availability may depend on software and region; the research does not establish that every advertised software feature is available to every owner.
LTE and satellite communication
LTE requires a compatible carrier and plan
LTE models require a separate service plan and a compatible carrier. Google says full talk, text, and data functionality requires the watch and Android companion phone to use the same carrier. Service, roaming, and network performance vary by carrier and location. Check compatibility and plan costs before choosing LTE.
On Wi-Fi/Bluetooth models, keep the phone nearby or connect to Wi-Fi for connectivity. LTE models can support selected calls, texts, music, and other services away from the phone after pairing and activation with a compatible carrier.
Satellite communication has limits
Google describes Pixel Watch 4 LTE as supporting standalone emergency satellite communication. Its technical notes qualify availability and state that the service is included at no additional charge for two years after activation. Availability and emergency-service requirements may vary; verify local support before treating this as a reason to buy. It is an emergency feature, not a replacement for ordinary cellular service or a general-purpose satellite messenger.
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Android compatibility
The Pixel Watch 4 works with most phones running Android 11.0 or newer. Setup requires a Google Account and the Pixel Watch app; Android Go is not supported. Confirm compatibility with your specific phone before buying.
The supplied compatibility information does not establish iPhone support. Buyers with an iPhone should choose a watch with explicitly documented iOS compatibility.
Durability and serviceability
The watch has Gorilla Glass 5 and 5 ATM and IP68 ratings. Google says the Pixel Watch 4 is serviceable for the first time in the line, with a replaceable battery and display. Repair and replacement availability may vary by market, so check local service details.
Water and dust ratings do not mean unlimited protection. Follow Google’s care guidance and avoid assuming every activity or condition is covered.
If you want added protection, consider a Pixel Watch 4 screen protector or case. Confirm compatibility with the 41mm or 45mm model and check how the accessory affects fit and touch response.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Useful accessories
Replacement and sport bands
The box includes small and large Active Bands. Additional bands are sold separately. A Pixel Watch 4 replacement band may be useful for a different fit or activity. Confirm the listing explicitly names the correct Pixel Watch 4 size and compatibility.
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Charging equipment
The USB-C Quick Charge Dock is included, so most buyers do not need another charger immediately. A spare dock is optional. Verify item-level compatibility before buying third-party charging equipment.
Pixel Watch 4 buying checklist
- Confirm your phone. You need a compatible Android 11.0-or-newer phone, Google Account, and Pixel Watch app. Android Go is not supported.
- Consider fit. Google’s approximate wrist ranges are 130–210mm for the 41mm and 150–215mm for the 45mm; they overlap.
- Compare battery estimates. Google rates the 41mm for up to 30 hours and the 45mm for up to 40 hours with always-on display. These are estimates, not guarantees.
- Choose Wi-Fi/Bluetooth or LTE. LTE requires a compatible carrier and separate service plan; check coverage and ongoing cost.
- Check regional features. Confirm health and satellite feature availability and requirements in your country.
- Check the exact configuration and seller. Match case size, connectivity, band, return policy, and compatibility before checkout.
Who should buy it?
The Pixel Watch 4 is a strong fit for Android users who want a compact smartwatch with Fitbit integration, a bright domed display, health and fitness sensors, and Google’s Wear OS platform.
The 41mm Wi-Fi/Bluetooth model suits buyers who prefer a smaller, lighter watch and keep their phone nearby. The 45mm Wi-Fi/Bluetooth model is the larger-display choice with higher Google battery-life estimates. Choose an LTE model only if your carrier supports it and you want selected connectivity away from your phone.
FAQ
What is the Pixel Watch 4 release date?
Google announced it on August 20, 2025, and said it would be on shelves starting October 9, 2025.
How do I choose between the 41mm and 45mm sizes?
The 41mm is smaller and lighter; the 45mm has a larger display and higher Google battery-life estimates. The approximate wrist-fit ranges overlap, so consider comfort as well as the listed range.
Do I need a phone to use the Pixel Watch 4?
Setup requires a compatible Android phone, Google Account, and Pixel Watch app. LTE models can support selected services away from the phone after activation with a compatible carrier and plan; Wi-Fi/Bluetooth use depends on the phone being nearby or a Wi-Fi connection.
Does Pixel Watch 4 LTE share my phone number?
Google’s product FAQ identifies this as a common LTE question, but number sharing depends on carrier support and plan terms. Check with your carrier before buying.
Does the Pixel Watch 4 work on 5G networks?
The watch’s listed cellular connectivity is LTE, not 5G. Check Google’s specifications and your carrier’s compatibility information for the exact model and market.
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The Bottom Line
Bottom line: The Pixel Watch 4 offers a domed 3,000-nit display, Snapdragon W5 Gen 2 hardware, and Google-rated battery life of up to 30 hours for the 41mm and 40 hours for the 45mm with always-on display. Treat battery and feature claims as qualified manufacturer information, and check phone, carrier, regional-feature, and accessory compatibility before buying.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
