Controls
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Digital Crown with haptic feedback
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Side button
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Double tap gesture
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Chip
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S10 SiP with 64‑bit dual core processor
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4‑core Neural Engine
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64 GB capacity
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Sensors
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Electrical heart sensor
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Third‑generation optical heart sensor
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Blood oxygen sensor
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Temperature sensor
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Compass
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Always‑on altimeter
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High‑g accelerometer
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High dynamic range gyroscope
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Ambient light sensor
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Depth gauge
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Water temperature sensor
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Health and Wellness
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ECG app
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Cycle Tracking app with retrospective ovulation estimates3
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Heart Rate app
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Blood Oxygen app
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High and low heart rate notifications
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Irregular rhythm notifications
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Medications app
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Mindfulness app with state of mind tracking
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Noise app
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Sleep app including sleep stages
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Sleep apnea notifications
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Display
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Always‑On Retina LTPO3 display
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Wide‑angle OLED
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Up to 40% brighter when viewed at an angle
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Edge‑to‑edge display
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Ion‑X front glass (Aluminum cases)
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Sapphire front crystal (Titanium cases)
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Up to 2000 nits maximum brightness
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1 nit minimum brightness
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326 pixels per inch
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Audio
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Speaker
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Media playback
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Power and Battery Life
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All‑day battery life, up to 18 hours of normal use
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Up to 36 hours in Low Power Mode
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Built‑in rechargeable lithium‑ion battery
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Fast‑charge capable
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Up to 80% charge in about 30 minutes
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15 minutes for up to 8 hours of normal use
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8 minutes for up to 8 hours of sleep tracking
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Operating System
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watchOS 11
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watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.
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Workouts and Activity
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Running
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Custom workouts
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Customizable Workout Views
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Training load
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Heart Rate Zones
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Race Route
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Pacer
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Stride length, ground contact time, and vertical oscillation
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Multisport workout
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Hiking
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Compass with bearing, incline, elevation, and coordinates
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Custom waypoints
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Automatically generated waypoints to cellular connectivity
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Backtrack GPS data
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Offline maps with custom route creation
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Topographic maps for thousands of national and regional parks (U.S. only)
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Hundreds of curated hikes across all 63 U.S. national parks
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Cycling
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Average speed, elevation gained, and distance
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Connection to cycling accessories via Bluetooth
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Functional Threshold Power
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Power Zones
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Cadence
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Live Activity on iPhone
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Swimming
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Pool swim or open water swim
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Custom workouts for pool swims
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Splits and auto sets
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SWOLF score
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Automatic stroke detection
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Kickboard detection
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Average pace, total distance, and laps
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Safety
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Emergency SOS
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International emergency calling
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Crash Detection
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Fall Detection
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Noise monitoring
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Backtrack
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Durability
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Water resistance 50m (swimproof)
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Dust resistance IP6X
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Connectivity
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L1 GPS, GNSS, Galileo, and BeiDou
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LTE and UMTS
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Wi-Fi 4 (802.11n)
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Bluetooth 5.3
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Second-generation Ultra Wideband chip
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Apple Pay
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GymKit
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Support for Apple Watch For Your Kids
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Accessibility
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Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
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Features include:
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VoiceOver
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Zoom
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On/Off Labels
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Reduce Transparency
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Increase Contrast
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Color Filters
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Text Size
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Bold Text
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Reduce Motion
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Hourly Chimes
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AssistiveTouch
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Button Click Speed
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Touch Accommodations
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Auto-Answer Calls
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Audio Volume Balance
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Auto Transcription
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Live Speech
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Accessibility Shortcut
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Mono Audio
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Taptic Time
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Environmental Requirements
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Operating temperature:
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0° to 35° C (32° to 95° F)
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Nonoperating storage temperature:
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–20° to 45° C (–4° to 113° F)
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Relative humidity:
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5% to 90% noncondensing
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Operating altitude:
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0 M to 3000 M (0 ft to 10,000 ft)
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