Apple Watch Series 8 GPS, 41mm

Health and Wellness

• Blood Oxygen app
  
• High and low heart rate notifications Sleep Stages
• Cycle Tracking with retrospective ovulation estimates

• Introducing temperature sensing that works with Cycle Tracking to help you better understand your menstrual cycle. Measure your blood oxygen levels, be alerted if it detects unusually high or low heart rates, and measure your current heart rate. And learn more about your time asleep with Sleep Stages.
  

Safety and Emergency

• Emergency SOS
• Fall Detection
• Crash Detection
• Noise monitoring
• Backtrack

• Emergency SOS to call for help and alert emergency contacts. Fall Detection if you’ve taken a hard fall. Crash Detection for help in the event of a severe car crash.
  

Technology

• Blood oxygen sensor
• Electrical heart sensor
• Third-generation optical heart sensor
• Temperature sensor
• Dual-core S8 SiP
• Digital Crown with haptic feedback
• L1 GPS
• Compass with redesigned app
• Always-on altimeter
• High-g accelerometer
• Gyroscope
• Second-generation speaker and mic

• New temperature sensing that works with Cycle Tracking. Take on-demand readings of your blood oxygen. New Crash Detection with advanced sensor-fusion algorithm trained on over 1 million hours of real-world drive and crash data to detect a severe car crash.
  

Case Size And Weight

• 41mm by 35mm by 10.7mm (41mm)
• 31.9 grams (Aluminum, GPS)
  

Display

• 41mm
• 352 by 430 pixels
• 904 sq mm display area

• Always-On Retina LTPO OLED display
• 1000 nits brightness

Features

• L1 GPS, GLONASS, Galileo, QZSS, and BeiDou
  
• Compass
• Always-on altimeter
• Water resistant
• 50 meters
• Blood oxygen sensor
• (Blood Oxygen app)
• Third-generation optical heart sensor
• Emergency SOS
• High-g accelerometer
• Up to 256 g-forces with Fall Detection and Crash Detection
• High dynamic range gyroscope
• Ambient light sensor
• Speaker
• Microphone
• GymKit
• Capacity 32GB
• GPS
• Ceramic and sapphire crystal back
• GPS

Chip

• S8 with 64-bit dual-core processor

• W3
• Apple wireless chip

• U1 chip
• (Ultra Wideband)

Connectivity

• Wi-Fi
• 802.11b/g/n 2.4GHz and 5GHz
• Bluetooth 5.3
  

Power

• Built-in rechargeable lithium-ion battery
• Up to 18 hours

• USB-C magnetic fast charging cable