Google Pixel Watch 4 45mm

Type: Actua 360 AMOLED LTPO display.
Resolution & density: 320 ppi, DCI-P3 colour.
Brightness: up to 3,000 nits peak; 1 nit minimum brightness (AOD).
Refresh rate: responsive display, 1–60 Hz.
Cover glass: custom 3D Corning® Gorilla® Glass 5.
Always-on display: supported.

Chipset: Qualcomm Snapdragon® W5 Gen 2 platform.
Co-processor: ARM Cortex-M55 low-power co-processor.
Designed for smooth Wear OS 6 performance, health tracking and AI features with improved power efficiency compared with previous Pixel Watch generations.

RAM: 2 GB SDRAM.
Storage: 32 GB eMMC flash (user-available capacity is lower due to system software and pre-installed apps).
Use: space for apps, watch faces, system data and offline music or podcasts.

• Multipath optical heart rate sensor
• Multipurpose electrical sensors compatible with ECG app
• Red and infrared sensors for blood oxygen (SpO₂) monitoring
• Electrical sensor to measure skin conductance (cEDA) for body response tracking
• Far-field skin temperature sensor
• 3-axis accelerometer
• Gyroscope
• Altimeter and barometer
• Magnetometer / compass
• Ambient light sensorSoftware: Fitbit integration for exercise tracking, sleep stages, stress and wellness insights (features and services may vary by region and subscription).

Capacity: 455 mAh (typical), built-in rechargeable lithium-ion battery.
Battery life (45 mm): up to 40 hours with always-on display; up to 72 hours with Battery Saver mode (actual life depends on features, usage and settings).
Charging: Google Pixel Watch Quick Charge Dock (USB-C).
Approximate charging times:
• About 15 minutes to 50%
• About 30 minutes to 80%
• About 60 minutes to 100%
Power management: Battery Saver and additional optimisation features in Wear OS 6.

OS: Wear OS 6.0 by Google.
Assistant: Gemini / Google AI support for voice control, smart suggestions and on-device features (availability varies by region and language).
Updates: automatic security updates for at least 3 years from first Google Store availability (policy may differ by market).
Apps: access to Google Play for Wear OS, including Google Wallet, Maps, YouTube Music, Fitbit and more.

Diameter: 45 mm.
Height (thickness): 12.3 mm.
Weight: 36.7 g (without band).
Housing: 100% recycled aluminium.
Band: Active Band, fluoroelastomer with soft-touch coating.
Band sizes (45 mm):
• Small: fits wrists 150–185 mm around
• Large: fits wrists 165–215 mm around

Connectivity:
4G LTE and UMTS (eSIM; LTE availability depends on carrier and region).
Bluetooth® 6.0.
Wi-Fi 802.11 a/b/g/n/ac/ax, 2.4 GHz and 5 GHz.
NFC for contactless payments (Google Wallet).
Ultra-wideband (UWB).
Satellite SOS communication (availability varies by market).GPS:
Dual-frequency GPS: GPS, Galileo, GLONASS (with regional support for Beidou and QZSS in some markets).Durability and water resistance:
Custom 3D Corning® Gorilla® Glass 5 domed cover.
5 ATM water resistance (up to 50 m) and IP68 dust and water resistance.
Designed for showers, pool swimming and everyday wear (not suitable for high-velocity water sports or deep diving).

Controls and audio:
Haptic crown with premium haptics and side button for navigation.
Built-in microphone and speaker for calls, voice assistant and media playback.

Compatibility and in the box:
Works with most phones running Android 11.0 or newer (Google Account and Google Pixel Watch app required).
Box contents: Google Pixel Watch 4 (45 mm), Active Band (small and large bands), Google Pixel Watch Quick Charge Dock, Quick Start Guide.