smartwatches

Apple Watch SE (2nd Gen)

ApplewatchOS 9 (requires iPhone 8 or later with the latest iOS version, upgradable to watchOS 11)2022

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Device Specifications

Detailed technical specifications and features for the Apple Watch SE (2nd Gen)

Processor

ProcessorApple S8 SiP (System in Package) with a 64-bit dual-core processor and a 2-core Neural Engine

Display

Display1.57" (759 sq mm display area) Retina LTPO OLED display (324x394 pixels resolution), Up to 1,000 nits brightness, Ion-X front glass

Battery

Battery LifeUp to 18 hours (typical usage) / Up to 1.5 hours (charging to 80%) / Up to 2.5 hours (charging to 100%) / Up to 14 hours (in Family Setup mode) / Up to 10 hours (music playback from storage) / Up to 5 hours (outdoor workout with GPS and LTE)

ChargingMagnetic Charging

Sensors

SensorsOptical Heart Sensor (second-generation, for heart rate monitoring and notifications), Accelerometer (High-g, for Crash Detection), Always-On Altimeter, Gyroscope (High dynamic range, for Crash Detection), Compass, Ambient Light Sensor, Fall Detection Sensor

Water Resistance

Water Resistance5 ATM (water resistant up to 50m depth under ISO standard 22810:2010, suitable for shallow-water activities like swimming, but not for scuba diving or waterskiing)

Connectivity

ConnectivityBluetooth 5.3, Wi-Fi (802.11b/g/n 2.4GHz), GPS (L1 GPS, GNSS, Galileo, and QZSS), Cellular (optional with LTE and UMTS, requires wireless service plan and compatible iPhone)

Physical Aspects

DesignRectangular dial, Aluminum casing (100% recycled aerospace-grade aluminum), Ion-X front glass, Ceramic and Sapphire crystal back, Digital Crown, Side Button, Speaker, Microphone, available in Midnight, Starlight, and Silver finishes

Weight32.9g (GPS) / 33g (GPS + Cellular)

Features

Special FeaturesCrash Detection (detects severe car crashes and connects to emergency services), Fall Detection (detects hard falls and connects to emergency services), Emergency SOS (quickly call for help), International Emergency Calling (requires Watch Series 7 or later), Family Setup (set up and manage Apple Watch for children or older adults who don't have an iPhone), Sleep Tracking (monitors sleep stages: REM, Core, Deep, provides sleep trends), Heart Rate Monitoring (checks heart rate, provides high/low heart rate notifications, irregular rhythm notifications - not for users under 22 or diagnosed with AFib), Workout Tracking (daily activity monitoring, custom interval workouts, customizable workout views, training load, heart rate zones, race route, pacer, stride length, ground contact time, vertical oscillation, automatic track detection, multisport workouts), Noise Monitoring (measures ambient sound levels, provides notifications if levels could affect hearing), Accessibility Features (VoiceOver, Zoom, Text Size, Bold Text, Reduce Motion, AssistiveTouch, Taptic Time), Apple Pay (mobile payments), GymKit (connect to compatible gym equipment), International Roaming (requires a wireless service plan), Notifications (calls, texts, app alerts), Music and Podcast Playback (from storage, via Bluetooth), Siri integration, Medications App, Mindfulness App, Cycle Tracking App, Find My Devices/Items, App Store access (download apps directly to Watch), 16GB storage + 1GB RAM, Operating Temperature: 0°C to 35°C (32°F to 95°F)