Size and Weight
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Height: 49mm
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Width: 44mm
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Depth: 14.4mm
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410 by 502 pixels
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1185 sq mm display area
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Weight (natural): 61.4 g
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Weight (black): 61.8 g
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Fits 130–210mm wrists
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Hardware and Buttons
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Microphone
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Speaker
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Action button
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Siren
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Microphone
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Side button
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Microphone
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Digital Crown
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Depth gauge/water temperature sensor
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Controls
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Customizable Action button
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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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S9 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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Blood oxygen sensor
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Electrical heart sensor
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Third-generation optical heart sensor
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Temperature sensor1
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Depth gauge ±1m accuracy
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Water 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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Health and Wellness
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Blood Oxygen app
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ECG app
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Cycle Tracking app with retrospective ovulation estimates
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Heart Rate 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 LTPO2 OLED display
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Flat sapphire crystal display
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Up to 3000 nits maximum brightness
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1 nit minimum brightness
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326 pixels per inch
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Night Mode using Modular Ultra or Wayfinder watch face
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Audio
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Three-microphone array with beamforming and wind noise mitigation
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Dual speakers
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Media playback
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Power and Battery Life
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Multiday battery life, up to 36 hours of normal use
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Up to 72 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 1 hour
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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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Precision Start using Action button
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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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Elevation alerts
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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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Custom workout for Pool Swim
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Splits and auto sets
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SWOLF score
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Stroke type tracking
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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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Diving
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Recreational dive to 40 M
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Dive computer app (available on the App Store)
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Automatic launch at 1 M
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Current and maximum depth duration
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GPS entry and exit points
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Depth gauge
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Water temperature sensor
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Safety
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Emergency SOS
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International emergency calling
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Siren
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Crash Detection
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Fall Detection
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Last Emergency Call Availability Waypoint
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Noise Monitoring
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Backtrack
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Durability
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Water resistance 100m under ISO standard 22810:2010
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Dust resistance IP6X under IEC 60529
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EN13319 recreational scuba diving to 40m (±1m accuracy)
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Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration
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Connectivity
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LTE and UMTS
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L1+L5 Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
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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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Environmental Requirements
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On-wrist operating temperature:
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–20° to 55° C (–4° to 130° F)
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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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Dive operating temperature:
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0° to 40° C (32° to 104° 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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–500 M to 9000 M (–1600 ft to 29,500 ft)
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