Which Apple Watch
is right for you?

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Series 6
SE
Series 3
products
 

The most advanced Apple Watch yet, with a blood oxygen sensor and app, the ECG app and the Always-On Retina display.

Features the same larger display size as Series 6, fall detection, a compass and an always-on altimeter.

The core fitness, health and connectivity features
of Apple Watch.

 

GPS + Cellular
 

GPS
 

BuyApple Watch Series 6

GPS + Cellular
 

GPS
 

BuyApple Watch SE

GPS
 

BuyApple Watch Series 3
Quick Look
44mm or 40mm
case size
44mm or 40mm
case size
42mm or 38mm
case size
Always-On
Retina display
30% larger than
Series 3
Retina display
30% larger than
Series 3
Retina display

Water resistant1
Swimproof

Water resistant1
Swimproof

Water resistant1
Swimproof

Blood Oxygen app2
 
 
ECG app3
 
 
High and low heart rate notifications
High and low heart rate notifications
High and low heart rate notifications
Irregular heart rhythm
notification3
Irregular heart rhythm
notification3
Irregular heart rhythm
notification3
Emergency SOS4
Emergency SOS4
Emergency SOS4
International
emergency calling5
International
emergency calling5
 
Fall detection
Fall detection
 
Compass
Compass
 
Always-on altimeter
Always-on altimeter
Altimeter
Key Differences
Display
 
Always-On Retina display
Retina display
Retina display
 
The display never sleeps, so
you can always see the time
and information that’s most important to you. The viewing area stretches deep into the rounded corners and is over
30% larger than the Apple Watch Series 3 display.
The same larger
display size as
Series 6, so you can
see more and use all the latest watch faces and complications.
Just raise your wrist and the display instantly comes to life.
Just raise your wrist and the display instantly comes to life.
 
368x448 pixels
324x394 pixels
368x448 pixels
324x394 pixels
312x390 pixels
272x340 pixels
Materials and Finishes
 
Aluminium
Aluminium
Aluminium
 
Stainless Steel
 
 
 
Titanium
 
 
 

The Apple Watch Series 6 case is 11% thinner than the Apple Watch Series 3 case.

Aluminium models have Ion-X glass displays. Stainless steel and titanium models have sapphire crystal displays.

Featuring the same case size as Series 6 and available in 100% recycled aluminium.

Apple Watch SE has an Ion-X glass display.

Apple Watch Series 3 has an Ion-X glass display.
 
Aluminium
Stainless Steel
Titanium
Aluminium
Aluminium
Health and Wellness
 
Blood Oxygen app
 
 
 
ECG app
 
 
 
High and low heart rate notifications
High and low heart rate notifications
High and low heart rate notifications
 
Irregular heart rhythm notification
Irregular heart rhythm notification
Irregular heart rhythm notification
 
Series 6 has the most advanced health and wellness features ever in an Apple Watch. You can measure your blood oxygen levels,2 take an ECG from your wrist,3 be alerted if it detects unusually high or low heart rates or an irregular rhythm,3 and even measure your current heart rate.
Apple Watch SE can alert you if it detects unusually high or low heart rates or an irregular rhythm,3 as well as measure your current heart rate.
Apple Watch Series 3 can alert you if it detects unusually high or low heart rates or an irregular rhythm,3 as well as measure your current heart rate.
 
Safety and Emergency
 
Emergency SOS
Emergency SOS
Emergency SOS
 
International emergency calling
International emergency calling
 
 
Fall detection
Fall detection
 
 
Noise monitoring
Noise monitoring
 
 

With Emergency SOS, you can quickly call for help and alert your emergency contacts.4 Apple Watch Series 6 can also detect if you’ve taken a hard fall, then automatically call emergency services for you. And it can complete an emergency call while you’re travelling abroad.5 The Noise app alerts you when decibels reach levels that could damage your hearing.

With the same safety and emergency features as Series 6, you’re never too far away from help if you need it. The Noise app alerts you when decibels reach levels that could damage your hearing.
You can quickly call for help and alert your emergency contacts if you need to.4
 
Technology
 
Blood oxygen sensor
 
 
 
Electrical heart sensor
 
 
 
Third-generation optical heart sensor
Second-generation optical heart sensor
Optical heart sensor
 
Dual-core S6 SiP
Dual-core S5 SiP
Dual-core S3 SiP
 
Digital Crown with haptic feedback
Digital Crown with haptic feedback
Digital Crown
 
Cellular connectivity on GPS + Cellular models
Cellular connectivity on GPS + Cellular models
 
 
GPS
GPS
GPS
 
Compass
Compass
 
 
Always-on altimeter
Always-on altimeter
Altimeter
 
Second-generation speaker and mic
Second-generation speaker and mic
Speaker and mic
 
The back crystal of Apple Watch Series 6 features four clusters of green, red and infrared LEDs and four photodiodes used to measure blood oxygen levels with the Blood Oxygen app.2 It has both an optical heart sensor for measuring your heart rate and heart rhythm and an electrical heart sensor that enables the ECG app.3 The Digital Crown provides haptic feedback when you turn it. The S6 SiP with 64-bit dual-core processor is up to 20% faster than the S5 in Apple Watch Series 5. The always-on altimeter detects your elevation in real time.
Apple Watch SE has an optical heart sensor for measuring your heart rate and heart rhythm.3 The Digital Crown provides haptic feedback when you turn it. The S5 SiP with 64-bit dual-core processor is up to two times faster than the S3 in Apple Watch Series 3. The always-on altimeter detects your elevation in real time.
Apple Watch Series 3 includes an optical heart sensor for measuring your heart rate and heart rhythm3 and GPS to pinpoint your location.
Tech Specs
Series 6
SE
Series 3
GPS + Cellular
Aluminium available in silver, space grey, gold, blue and (PRODUCT)RED.
Stainless Steel available in silver, graphite (DLC), and gold (PVD).
Titanium available in natural titanium and space black.
GPS + Cellular
Aluminium available in silver, space grey and gold.
GPS
Aluminium available in silver, space grey, gold, blue and (PRODUCT)RED.
GPS
Aluminium available in silver, space grey and gold.
GPS
Aluminium available in silver and space grey.
Apple Watch Nike
Aluminium available in silver and space grey.
Apple Watch Nike
Aluminium available in silver and space grey.
Series 6
SE
Series 3
  • GPS/GNSS
  • GPS/GNSS
  • GPS/GNSS
  • Compass
  • Compass
  • feature not available on series-3
  • Always-on altimeter
  • Always-on altimeter
  • Altimeter

  • Water resistant to
    50 metres1

  • Water resistant to
    50 metres1

  • Water resistant to
    50 metres1

  • Blood oxygen sensor
    (Blood Oxygen app)2

  • feature not available on se
  • feature not available on series-3

  • Electrical heart sensor
    (ECG app)3

  • feature not available on se
  • feature not available on series-3
  • Third-generation
    optical heart sensor
  • Second-generation optical heart sensor
  • Optical heart sensor
  • International emergency calling5
  • International emergency calling5
  • feature not available on series-3
  • Emergency SOS4
  • Emergency SOS4
  • Emergency SOS4

  • Accelerometer
    up to 32 G-forces with fall detection

  • Accelerometer
    up to 32 G-forces with fall detection

  • Accelerometer
    up to 16 G-forces

  • Gyroscope
  • Gyroscope
  • Gyroscope
  • Ambient light sensor
  • Ambient light sensor
  • Ambient light sensor
  • Speaker
    50% louder
  • Speaker
    50% louder
  • Speaker
  • Microphone
    (enables Noise app)
  • Microphone
    (enables Noise app)
  • Microphone
  • GymKit
  • GymKit
  • GymKit

  • Capacity 32GB
    GPS + Cellular

  • Capacity 32GB
    GPS + Cellular

  • feature not available on series-3

  • Capacity 32GB
    GPS

  • Capacity 32GB
    GPS

  • Capacity 8GB
    GPS

  • Ceramic and sapphire crystal back
    GPS + Cellular
    GPS

  • Ceramic and sapphire crystal back
    GPS + Cellular
    GPS

  • Composite back
    GPS

Series 6
SE
Series 3
44mm

368x448 pixels
977mm² display area

44mm

368x448 pixels
977mm² display area

42mm
312x390 pixels
740mm² display area
40mm

324x394 pixels
759mm² display area

40mm

324x394 pixels
759mm² display area

38mm
272x340 pixels
563mm² display area
Always-On Retina LTPO OLED display
1,000 nits brightness
Retina LTPO OLED display
1,000 nits brightness
Retina OLED display
1,000 nits brightness
Series 6
SE
Series 3
S6 SiP with 64-bit dual-core processor
Up to 20% faster than S5
S5 SiP with 64-bit dual-core processor
Up to 2x faster than S3
S3 SiP with dual-core processor
W3
Apple wireless chip
W3
Apple wireless chip
W2
Apple wireless chip
U1 chip
(Ultra Wideband)
Series 6
SE
Series 3
LTE and UMTS6
GPS + Cellular models
Learn more about available carriers
LTE and UMTS6
GPS + Cellular models
Learn more about available carriers
Wi-Fi
802.11b/g/n 2.4GHz and 5GHz
Wi-Fi
802.11b/g/n 2.4GHz
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth 5.0
Bluetooth 5.0
Bluetooth 4.2
Series 6
SE
Series 3
Built-in rechargeable lithium-ion battery
Up to 18 hours7
Built-in rechargeable lithium-ion battery
Up to 18 hours8
Built-in rechargeable lithium-ion battery
Up to 18 hours9
Magnetic charging cable
Magnetic charging cable
Magnetic charging cable

Which Apple Watch is right for you?