Pixel Watch 3 Features & Upgrades

The Pixel Watch 3 adds a larger display, a brighter screen, and a new 45mm case size, along with upgraded fitness tracking and smarter safety tools. It runs Wear OS 5 and introduces features like Loss of Pulse Detection, advanced running metrics, and improved battery life compared to earlier models.

Formula

Average pace (min/km) = Finish time (minutes) ÷ Distance (km). Average speed (km/h) = Distance (km) ÷ (Finish time (minutes) ÷ 60).

Variables: t = finish time in minutes, d = distance in kilometers. The pace output is rounded to two decimal places; speed is also rounded to two decimals.

Worked Example

Using the defaults: t = 50 minutes, d = 10 km. Pace = 50 ÷ 10 = 5.00 min/km. Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.00 km/h. The calculator shows 5.00 min/km and 12.00 km/h.

What’s New in the Pixel Watch 3

The Pixel Watch 3, released in September 2024, is Google’s third-generation smartwatch. It comes in two sizes: the familiar 41mm and a new 45mm option for those who want a larger screen and bigger battery. The display is now up to 40% brighter (reaching 2,000 nits) and the bezels are thinner, giving more usable screen area. Both models use the same Snapdragon Wear 5100 processor and run Wear OS 5, which brings better battery efficiency and new watch faces.

Display and Design Upgrades

The 41mm model has a 1.2-inch AMOLED display, while the 45mm has a 1.4-inch screen. Both support always-on display and have a peak brightness of 2,000 nits, making them easier to read in direct sunlight. The case is made of recycled aluminum, and the screen uses Corning Gorilla Glass 5. The 45mm version has a slightly larger battery (420 mAh vs. 310 mAh), which can last up to 36 hours with the always-on display enabled, compared to 24 hours on the smaller model. The watch is water-resistant to 5 ATM, so it’s safe for swimming and showering.

Fitness and Health Tracking

The Pixel Watch 3 introduces several new fitness features. It has a built-in running coach that provides real-time guidance on pace, cadence, and heart rate zones. The “Cardio Load� feature tracks how much cardiovascular stress you’ve accumulated over the past week and suggests adjustments. There’s also “Target Load,� which helps you plan daily workouts based on your fitness level. The watch includes a new “Loss of Pulse Detection� feature (available in select countries) that can detect when your heart stops beating and automatically call emergency services. This is a significant safety upgrade, though it requires the watch to be worn on the wrist and is not available everywhere yet.

Battery Life and Charging

Battery life is improved, especially on the 45mm model. The 41mm lasts about 24 hours with typical use, while the 45mm can reach 36 hours. Both support fast charging: a 15-minute charge gives about 7 hours of use (or 1 hour of tracking a workout). The watch uses a magnetic charging cable that attaches to the back. Battery life varies with usage—GPS tracking, always-on display, and LTE connectivity will drain the battery faster.

Software and Connectivity

The Pixel Watch 3 runs Wear OS 5, which is based on Android 14. It includes Google’s apps like Maps, Assistant, and Wallet. It pairs with Android phones (iOS is not supported). The watch has Bluetooth 5.3, Wi-Fi, NFC for contactless payments, and an optional LTE version for standalone calls and data. It also supports UWB (Ultra-Wideband) for precise finding and unlocking compatible cars. The watch integrates with Google Fit and Fitbit, so you can choose which app you prefer for tracking.

Common Problems and Limitations

Some users report that the Pixel Watch 3’s battery life is still shorter than competitors like the Galaxy Watch Ultra or Apple Watch Ultra. The watch only works with Android phones, and some features (like Loss of Pulse Detection) are not available in all regions. The 41mm model’s battery may not last a full day for heavy users. The watch also lacks a rotating crown, which some find less intuitive for navigation. If you experience connectivity issues, try restarting the watch and phone, or resetting the Bluetooth connection.

How to Choose Between the 41mm and 45mm

Choose the 41mm if you have a smaller wrist or prefer a lighter watch. Choose the 45mm if you want a larger screen and longer battery life. The 45mm is also better for outdoor activities because the bigger display is easier to read. Both have the same processor and features, so the choice is mainly about size and battery. If you run marathons or do long hikes, the 45mm’s extra battery is worth it.

Frequently Asked Questions

Does the Pixel Watch 3 work with iPhone?

No, the Pixel Watch 3 only works with Android phones running Android 10 or later. It does not support iOS.

Is the Pixel Watch 3 waterproof?

It has a 5 ATM water resistance rating, meaning it can withstand pressures equivalent to 50 meters. It’s safe for swimming, but not for diving.

How long does the battery last on the Pixel Watch 3?

The 41mm lasts about 24 hours with typical use; the 45mm lasts up to 36 hours. With always-on display and GPS, expect less.

Does the Pixel Watch 3 have a blood pressure monitor?

No, the Pixel Watch 3 does not have a blood pressure sensor. It does have an ECG app and heart rate tracking.

Can I use the Pixel Watch 3 without a phone?

The LTE version can make calls and use data without a phone, but you still need a phone for initial setup and some features.

Will the Pixel Watch 3 get the latest Wear OS updates?

Google promises three years of OS updates and security patches, so it will receive Wear OS updates through 2027.

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in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2