Apple Watch Series 4 GPS Cellular 44mm Aluminum Case 
with Black Sport Band

Fundamentally redesigned and reengineered. The largest Apple Watch display yet. Built-in electrical heart sensor. New Digital Crown with haptic feedback. Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges and achievement awards. Built-in cellular¹ lets you use Walkie-Talkie, make phone calls, and send messages. Stream Apple Music² and Apple Podcasts. And use Siri in all-new ways - even while you're away from your phone. With Apple Watch Series 4, you can do it all with just your watch.


GPS + Cellular¹

Over 30% larger display³

Electrical and optical heart sensors

Digital Crown with haptic feedback

50% louder speaker³

S4 SiP with faster 64-bit dual-core processor

Improved accelerometer and gyroscope for fall detection

Swimproof⁴

watchOS 5

Aluminum or stainless steel case

Selection may vary; see a sales associate for available models. Apple Watch Series 4 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later.

¹Wireless service plan required for cellular service. Apple Watch and iPhone service provider must be the same. Not all service providers support enterprise accounts; check with your employer and service provider.

Roaming is not available outside your carrier network coverage area. Contact your service provider for more details.

²Apple Music requires a subscription.

³Compared with the previous generation.

⁴ISO standard 22810:2010. Appropriate for shallow-water activities like swimming. Submersion below shallow depth and high-velocity water activities not recommended.



  • Screen Size
    44 millimeters
  • Touch Screen
    Yes
  • Operating System Compatibility
    Apple iOS
  • Operating System
    watchOS
  • Carrier
    Unlocked
  • Global Positioning
    GPS
  • Usage Time
    18 hours
  • Metrics Measured
    Cadence, Electrocardiography, Heart rate
  • Water Resistant
    Yes
  • Maximum Depth of Water Resistance
    164 feet
  • Band Material
    Fluoroelastomer
  • Series
    Series 4

General

  • Product Name
    Apple Watch Series 4 (GPS + Cellular) 44mm Aluminum Case with Black Sport Band
  • Brand
    Apple
  • Product Type
    Smartwatch
  • Form Factor
    Wristwatch
  • Model Family
    Apple Watch Series 4
  • Model Number
    MTUW2LL/A
  • Series
    Series 4
  • Color
    Space Gray Aluminum
  • Color Category
    Space Gray

Design

  • Case Size
    44mm
  • Case Shape
    Rectangular
  • Case Thickness
    0.42 inches
  • Band Type
    Sport Band
  • Band Color
    Black

Display

  • Display Screen
    Yes
  • Screen Size
    44 millimeters
  • Touch Screen
    Yes
  • Screen Resolution
    368 x 448
  • Display Type
    OLED, Retina Display
  • Color Display
    Yes
  • Backlit Display
    Yes
  • Adjustable Brightness
    Yes
  • Screen Material
    Ion-X Glass

Compatibility

  • Operating System Compatibility
    Apple iOS
  • Operating System
    watchOS
  • Voice Assistant Built-in
    Siri

Connectivity

  • Data Plan Required
    Yes
  • Carrier
    Unlocked
  • Bluetooth Enabled
    Yes
  • Bluetooth Version
    5.0
  • NFC Technology
    Yes
  • Wi-Fi Compatibility
    Wireless B, Wireless G, Wireless N

Features

  • Global Positioning
    GPS
  • Usage Time
    18 hours
  • Alert Type
    Vibration
  • Mobile Payment Service Supported
    Apple Pay
  • Music Player
    Yes
  • Vibration Alert
    Yes
  • Built-In Microphone
    Yes
  • Voice Activated
    Yes

Activity

  • Metrics Measured
    Cadence, Electrocardiography, Heart rate
  • Multi-Sport Tracking
    Yes
  • Sensors
    Accelerometer, Altimeter, Ambient light sensor, Gyro sensor, Heart rate sensor

Performance

  • Water Resistant
    Yes
  • Maximum Depth of Water Resistance
    164 feet
  • Shock Resistant
    No
  • Dust Resistant
    Yes

Power

  • Rechargeable
    Yes
  • Charging Interface(s)
    Wireless
  • Battery Type
    Lithium-ion
  • Replaceable Battery
    Yes
  • Battery Size
    Built-in rechargeable lithium-ion battery

Material

  • Band Material
    Fluoroelastomer
  • Case Material
    Aluminum
  • Case Back Material
    Sapphire crystal and ceramic

Dimension

  • Minimum Wrist Size
    5.51 inches
  • Maximum Wrist Size
    8.27 inches
  • Band Size
    Adjustable
  • Product Height
    1.73 inches
  • Product Depth
    0.42 inches
  • Product Weight
    1.29 ounces