Apple Watch Series 4 - Technical Specifications
Finishes
GPS + Cellular
Stainless Steel
Silver
Space Black (DLC)
Gold (PVD)
Aluminum
Silver
Space Gray
Gold
GPS
Aluminum
Silver
Space Gray
Gold
Apple Watch Nike+ available in silver and space gray aluminum.
Apple Watch Hermès available in polished stainless steel.
Features
GPS, GLONASS, Galileo, and QZSS
Barometric altimeter
Water resistant
50 meters1
Electrical heart sensor
Optical heart sensor
Improved accelerometer
up to 32 g-forces
Improved gyroscope
Ambient light sensor
Speaker
50 percent louder
Microphone
Apple Pay
GymKit
Capacity 16GB
Ceramic and sapphire crystal back
Display
44mm
368 by 448 pixels
977 sq mm display area
40mm
324 by 394 pixels
759 sq mm display area
LTPO OLED Retina display with Force Touch
1000 nits brightness
Chip
S4 with 64-bit dual-core processor
Up to 2x faster processor
W3
Apple wireless chip
Connectivity
LTE and UMTS2
GPS + Cellular models
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth 5.0
Power
Built-in rechargeable lithium-ion battery
Up to 18 hours3
Magnetic charging cable
USB power adapter
Case Size
Stainless Steel - 40mm
Height: 40mm
Width: 34mm
Depth: 10.7mm
Case Weight: 39.8g
Stainless Steel - 44mm
Height: 44mm
Width: 38mm
Depth: 10.7mm
Case Weight: 47.9g
Aluminum - 40mm
Height: 40mm
Width: 34mm
Depth: 10.7mm
Case Weight: 30.1g
Aluminum - 44mm
Height: 44mm
Width: 38mm
Depth: 10.7mm
Case Weight: 36.7g
Apple Watch Series 3 and Series 4 have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. However, they should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth.
Wireless service plan required for cellular service. Apple Watch and iPhone service provider must be the same. Not available with all service providers. Not all service providers support enterprise accounts or prepaid plans; check with your employer and service provider. Some legacy plans may not be compatible. Roaming is not available. Contact your service provider for more details.
Apple Watch All-Day Battery Life testing was conducted by Apple in August 2018 using preproduction Apple Watch Series 4 (GPS) and Apple Watch Series 4 (GPS + Cellular), each paired with an iPhone; all devices were tested with prerelease software. Battery life varies by use, cellular coverage, configuration, and many other factors; actual results will vary. See www.apple.com/batteries and www.apple.com/watch/battery.html for more information.
Apple Watch Series 4 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later. Apple Watch Series 4 (GPS) requires an iPhone 5s or later with iOS 12 or later.
Features are subject to change. Some features, applications, and services may not be available in all regions or all languages. Click here to see complete list.