Apple Watch Series 4 Apple Watch Series 3
 
GPS + Cellular GPS
GPS + Cellular GPS
Summary

44mm case

40mm case

977mm2
display area

759mm2
display area

42mm case

38mm case

740mm2
display area

563mm2
display area

10.7mm thin

11.4mm thin

64-bit dual-core S4 processor
Up to 2x faster than S3 processor

Dual-core S3 processor

Electrical heart sensor

-

Second-generation
optical heart sensor

Optical heart sensor

Fall detection

-

Digital Crown with
haptic feedback

Digital Crown

Finishes

GPS + Cellular

GPS

Stainless Steel

Aluminium

Aluminium

GPS + Cellular

GPS

Aluminium

Aluminium

Apple Watch Nike+ is available in silver and space grey aluminium.Apple Watch Nike+ is available in silver and space grey aluminium.
Features
GPS, GLONASS, Galileo and QZSS GPS, GLONASS, Galileo and QZSS
Barometric altimeter Barometric altimeter
Water resistant 50 metres1 Water resistant 50 metres1
Electrical heart sensor-
Optical heart sensor Optical heart sensor
Improved accelerometer
up to 32 G-forces
Accelerometer
up to 16 G-forces
Improved gyroscope Gyroscope
Ambient light sensor Ambient light sensor
Capacity 16GB Capacity 16GB
  Capacity 8GB
All ceramic and sapphire crystal back Ceramic and sapphire crystal back (centre) GPS + Cellular
Composite back (centre) GPS
Display
44mm
368x448 pixels
977mm2 display area
42mm
312x390 pixels
740mm2 display area

40mm
324x394 pixels
759mm2 display area
38mm
272x340 pixels
563mm2 display area

LTPO OLED Retina display with Force Touch
1000 nits brightness
OLED Retina display with Force Touch
1000 nits brightness

Chip
S4 with 64-bit dual-core processor
Up to 2x faster processor
S3 with dual-core processor
S3
with dual-core processor
W2
Apple wireless chip
Connectivity
4G LTE and UMTS2
GPS + Cellular models

4G LTE and UMTS2
GPS + Cellular models

Wi-Fi (802.11b/g/n 2.4GHz)

Wi-Fi (802.11b/g/n 2.4GHz)

Bluetooth 5.0Bluetooth 4.2
Power
Built-in rechargeable lithium-ion battery
Up to 18 hours3

Built-in rechargeable lithium-ion battery
Up to 18 hours4

Magnetic charging cable

Magnetic charging cable

USB power adapterUSB power adapter
GPS + Cellular model only

Apple Watch Series 4

Apple Watch Series 4

Apple Watch Series 4

Apple Watch Series 4

  1. Apple Watch Series 3 and Series 4 have a water resistance rating of 50 metres 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.
  2. Wireless service plan is 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’s network coverage area. Contact your service provider for more details. Check www.apple.com/in/watch/cellular for participating wireless carriers and eligibility.
  3. Apple Watch All-Day Battery Life testing was conducted by Apple in August 2018 using pre-production Apple Watch Series 4 (GPS) and Apple Watch Series 4 (GPS + Cellular), each paired with an iPhone; all devices were tested with pre-release software. Battery life varies by use, cellular coverage, configuration and many other factors; actual results will vary. See www.apple.com/in/batteries and www.apple.com/in/watch/battery.html for more information.
  4. Apple Watch All-Day Battery Life testing was conducted by Apple in August 2018 using shipping Apple Watch Series 3 (GPS) and Apple Watch Series 3 (GPS + Cellular), each paired with an iPhone; all devices were tested with pre-release software. Battery life varies by use, configuration and many other factors; actual results will vary. See www.apple.com/in/batteries and www.apple.com/in/watch/battery.html for more information.

Some straps are sold separately.

Some features may not be available for all countries or regions.

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. Apple Watch Series 3 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later. Apple Watch Series 3 (GPS) requires an iPhone 5s or later with iOS 11 or later.

Features are subject to change. Some features, applications and services may not be available in all regions or all languages. See www.apple.com/in/watchos/feature-availability for the complete list.