Background

The Pixel Watch 4 is Google's fourth entry in their line of Pixel smartwatches. Completely redesigned for 2025, Pixel Watch 4 features a larger and brighter domed AMOLED display, an updated Snapdragon W5 Gen 2 processor, and most importantly, a more repairable design.

Announced alongside the Pixel 10 line of smartphones, the Pixel Watch 4 comes in two sizes: 41 and 45 mm, and starts at $350.

Identification

The Pixel Watch 4 has a rounded display with a domed design, a side button, and a digital crown. The watch has 3 case color options and 4 band colors:

  • Matte Black Aluminum Case / Obsidian Active Band
  • Polished Silver Aluminum Case / Iris Active Band
  • Polished Silver Aluminum Case / Porcelain Active Band
  • Champagne Gold Aluminum Case* / Lemongrass Active Band

*only the 41 mm size is available in Champagne Gold.

Technical Specifications

Display

  • 320 ppi AMOLED 1–60 Hz LTPO "Actua 360" display
  • Up to 3000 nits peak brightness
  • Always-on display, 1 nit
  • Custom 3D Corning Gorilla Glass 5

Battery & Charging

  • 41 mm: 325 mAh
  • 45 mm: 455 mAh
  • Built-in rechargeable lithium-ion battery
  • 30–40 hours with always-on display
  • Quick Charge Dock
  • Charging speeds:
    • 15 minutes to 50%
    • 25 minutes to 80%
    • 60 minutes to 100%

Band Size

  • Active Band: Small and large band sizes included
    • 41 mm: Small fits wrists 130-175 mm around
    • 41 mm: Large fits wrists 165-210 mm around
    • 45 mm: Small fits wrists 150-185 mm around
    • 45 mm: Large fits wrists 165-215 mm around

Dimensions, Weight, & Durability

  • Diameter: 41 or 45 mm
  • Height: 12.3 mm
  • Weight (without band): 31 g or 36.7 g
  • IP68, 5 ATM

Storage

  • 32 GB eMMC flash

Memory

  • 2 GB SDRAM

Chip

  • Qualcomm Snapdragon W5 Gen 2
  • Cortex-M55 co-processor

Connectivity

  • 4G LTE and UMTS
  • Bluetooth 5.0
  • Wi-Fi 802.11 b/g/n 2.4GHz
  • NFC

OS

  • Wear OS 6.0

Compatibility

  • Works with most phones running on Android 11.0 or newer. Requires Google Account and Google Pixel Watch app.

Sensors

  • Compass
  • Altimeter
  • Red and infrared sensors for oxygen saturation (SpO2) monitoring
  • Multipurpose electrical sensors compatible with ECG app
  • Multi-path optical heart rate sensor
  • 3-axis accelerometer
  • Gyroscope
  • Ambient light sensor
  • Electrical sensor to measure skin conductance (cEDA) for body response tracking
  • Skin temperature sensor
  • Barometer
  • Magnetometer

Interaction

  • Side button
  • Haptic crown
  • Gen 3 "Premium haptics"

Audio

  • Built-in microphone
  • Built-in speaker

Additional Information