Introduction: The Next Big Wear OS Smartwatch
The Google Pixel Watch 4 marks a major upgrade in Google’s smartwatch lineup, reinforcing the brand’s commitment to Wear OS and health-centric wearables. Released in late 2025, Pixel Watch 4 brings a redesigned domed Actua 360 AMOLED display, Snapdragon W5 Gen 2 processor with ML co-processor, substantial battery life improvements, enhanced health and fitness tracking, integrated AI features via Gemini, and practical upgrades like repairability — a first for the Pixel Watch series.
In this comprehensive review, we’ll break down everything you need to know: specifications, performance, battery life, health features, usability, price in the USA, and an SEO-optimized FAQ section.
Pixel Watch 4 Release & Availability
Google officially unveiled the Pixel Watch 4 on August 20, 2025, ahead of its availability in early October, with preorders starting alongside the Pixel 10 series. The smartwatch launched globally, including in the United States, with multiple sizes and connectivity options — Wi-Fi-only and LTE — to suit different users.
The Pixel Watch 4 is widely available from Google’s online store, Best Buy, Amazon, and many carriers in the U.S. The LTE models offer Satellite SOS support and integrated data options that make the watch more capable without direct smartphone tethering.
USA Price Breakdown
One of the most important considerations for anyone shopping in the U.S. is pricing. Google kept Pixel Watch 4 competitively priced, similar to its predecessor.
| Model | USA MSRP Price |
|---|---|
| 41 mm (Wi-Fi only) | $349 |
| 45 mm (Wi-Fi only) | $399 |
| 41 mm (LTE) | $449 |
| 45 mm (LTE) | $499 |
Prices vary slightly with promotions, seasonal sales, or carrier plans, but these remain the standard U.S. price tiers for Pixel Watch 4 on release.
Design & Build: Quality Meets Sustainability
Google has refined the Pixel Watch design with sustainability and everyday durability in mind.
Materials & Physical Design
Pixel Watch 4 features a 100% recycled aluminum frame and custom Corning Gorilla Glass 5 with a pronounced Actua 360 domed display. This design not only boosts visual impact but improves visibility in bright light — up to 3,000 nits brightness peak.
The smartwatch comes in two sizes:
- 41 mm — lighter and more compact
- 45 mm — larger screen with longer battery life
Both sizes keep a clean aesthetic with minimal bezels and fluoroelastomer bands that are comfortable for all-day wear.
Durability
Pixel Watch 4 has 5 ATM water resistance and IP68 dust/water protection, making it suitable for daily wear, workouts, and swimming.
Repairability
A notable improvement in this generation is repairability — Google uses screws and modular parts, making it easier to replace components like battery and display — a first for the series.
Display: Bright, Crisp & Always-On
The Pixel Watch 4’s display is one of its most striking features:
- Actua 360 AMOLED domed screen
- Up to 3,000 nits peak brightness
- Always-on display with adaptive refresh (1–60 Hz)
- Compact but readable UI with Wear OS 6
- Corning Gorilla Glass 5 protection
This makes the watch exceptionally visible even under direct sunlight and smooth during interaction.
Performance: Snapdragon W5 Gen 2 + ML Co-Processor
Under the hood, Pixel Watch 4 runs on Google’s most advanced wearable platform yet:
- Qualcomm Snapdragon W5 Gen 2
- Dedicated Cortex-M55 ML co-processor
- Wear OS 6
- 2 GB RAM + 32 GB internal storage
This combination delivers smooth navigation, quick app launches, responsive notifications, and optimized battery efficiency. The dedicated ML co-processor enhances AI functions, laying the groundwork for Gemini features like contextual replies and voice-assisted commands right from the wrist.
Health & Fitness: Comprehensive Tracking
Google continues to embrace advanced health metrics with Pixel Watch 4, powered by sensors and Fitbit integration under Wear OS.
Main Sensors
Pixel Watch 4 includes:
- Optical heart rate sensor
- ECG (electrocardiogram) support
- Blood oxygen (SpO₂) sensor
- Skin temperature
- Accelerometer, gyroscope, barometer, compass
- Dual-frequency GPS
These sensors enable:
- Continuous heart rate tracking
- ECG readings for detecting irregular rhythms
- SpO₂ monitoring
- Sleep tracking with stages and score insights
- GPS-based workouts with precision mapping
Battery Life & Charging
Battery performance is a significant upgrade over previous Pixel Watches, balancing battery life with display quality and performance.
Battery Breakdown
According to Google support data:
- 41 mm model:
- 325 mAh battery
- Up to 30 hrs with Always-On Display
- Up to 48 hrs with Battery Saver
- 45 mm model:
- 455 mAh battery
- Up to 40 hrs with Always-On Display
- Up to 72 hrs with Battery Saver
Charging
Pixel Watch 4 supports Quick Charge Dock:
- 0–50% in ~15 min
- 0–80% in ~25–30 min
- 0–100% in ~45–60 min
Connectivity & Smart Features
Pixel Watch 4 offers broad connectivity:
- Bluetooth 6.0
- Wi-Fi (2.4 GHz & 5 GHz)
- NFC for Google Wallet
- UWB (Ultra Wideband)
- GPS (multi-band)
- LTE (optional cellular)
- Satellite SOS support (LTE models)
These ensure seamless pairing with Android phones, standalone connectivity with cellular, contactless payments, and emergency communication when needed.
Wear OS 6 & AI Integration
Pixel Watch 4 ships with Wear OS 6, bringing:
- Smooth Material 3 UI
- Smart replies powered by Gemini
- Wearable-first app enhancements
- Fitbit health and fitness insights
- Customized tiles and watch face widgets
Gemini’s integration enables users to interact with notifications, texts, and contextual info using natural language from the wrist, enhancing the smartwatch experience beyond fitness tracking.
Pixel Watch 4 Specification Table
| Feature | Specification |
|---|---|
| Models | 41 mm & 45 mm |
| Display | Actua 360 AMOLED, 3000 nits, Always-On |
| Processor | Snapdragon W5 Gen 2 & Cortex-M55 co-processor |
| OS | Wear OS 6 |
| Memory | 2 GB RAM |
| Storage | 32 GB |
| Connectivity | Bluetooth 6.0, Wi-Fi, NFC, UWB, GPS, LTE optional |
| Battery | 325 mAh (41 mm) / 455 mAh (45 mm) |
| Battery Life | Up to 30/40 hrs AOD, 48/72 hrs Saver |
| Charging | Quick Charge Dock |
| Sensors | HR, ECG, SpO₂, temp, altimeter, compass |
| Water Resistance | 5 ATM / IP68 |
| USA MSRP | $349–$499 |
How much does the Google Pixel Watch 4 cost in the USA?
A: In the United States, Pixel Watch 4 starts at $349 for the 41 mm Wi-Fi model, with the 45 mm at $399. LTE variants are priced around $449 (41 mm) and $499 (45 mm).
What sizes are available for Pixel Watch 4?
A: Two sizes — 41 mm and 45 mm — allowing users to pick based on wrist size and battery life preference.
Does Pixel Watch 4 support cellular connectivity?
A: Yes. LTE models provide standalone connectivity, including calls, messages, and Satellite SOS emergency support.
How long does the battery last on Pixel Watch 4?
A: Generally around 30 hours on the 41 mm and 40 hours on the 45 mm with Always-On Display; up to 48–72 hours in Battery Saver mode.
What health features does Pixel Watch 4 offer?
A: It includes heart rate monitoring, ECG, SpO₂ tracking, skin temperature sensing, GPS workout tracking, sleep monitoring, and Fitbit health insights.
What OS does Google Pixel Watch 4 run?
A: It runs Wear OS 6, optimized for Google services and deep Android integration.
Final Verdict
The Google Pixel Watch 4 delivers a compelling Wear OS experience — from its blazing-bright domed display and sustainable design to powerful health tracking, robust performance, and real-world battery life. With the addition of repairability, AI features via Gemini, and practical connectivity options, it’s one of the best smartwatches for Android users in 2025. Whether you choose the compact 41 mm or the more enduring 45 mm model, Pixel Watch 4 balances everyday usability with powerful tech under the hood.