Which Apple Watch
is right for you?
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Which Apple Watch
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
GPS + Cellular
GPS
Quick Look
44 mm or 40 mm
case size
case size
44 mm or 40 mm
case size
case size
42 mm or 38 mm
case size
case size
Always-On
Retina display
30% larger than
Series 3
Retina display
30% larger than
Series 3
Retina display
30% larger than
Series 3
30% larger than
Series 3
Retina display
High and low heart rate notifications
High and low heart rate notifications
High and low heart rate notifications
Irregular heart rhythm
notification3
notification3
Irregular heart rhythm
notification3
notification3
Irregular heart rhythm
notification3
notification3
International
emergency calling5
emergency calling5
International
emergency calling5
emergency calling5
International emergency calling not available
Fall detection
Fall detection
Compass
Compass
Compass not available
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.
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.
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.
Materials and Finishes
Aluminium
Aluminium
Aluminium
Stainless Steel
Stainless Steel not available
Stainless Steel not available
Titanium
Titanium not available
Titanium not available
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
Blood Oxygen app not available
Blood Oxygen app not available
ECG app
ECG app not available
ECG app not available
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
International emergency calling not available
Fall detection
Fall detection
Fall detection not available
Noise monitoring
Noise monitoring
Noise monitoring not available
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
Cellular Connectivity
Cellular connectivity on GPS + Cellular models
Cellular connectivity on GPS + Cellular models
Cellular connectivity on GPS + Cellular models not available
With cellular connectivity activated on Apple Watch
GPS + Cellular models, you can
stay connected even when you
don’t have your iPhone.
Make calls, send texts, stream
music and do so much more
using only your Apple Watch.
GPS + Cellular models, you can
stay connected even when you
don’t have your iPhone.
Make calls, send texts, stream
music and do so much more
using only your Apple Watch.
With cellular connectivity
activated on Apple Watch
GPS + Cellular models, you
can stay connected even when
you don’t have your iPhone. Make calls, send texts, stream music and do so much more using only your Apple Watch.
activated on Apple Watch
GPS + Cellular models, you
can stay connected even when
you don’t have your iPhone. Make calls, send texts, stream music and do so much more using only your Apple Watch.
Technology
Blood oxygen sensor
Blood oxygen sensor not available
Blood oxygen sensor not available
Electrical heart sensor
Electrical heart sensor not available
Electrical heart sensor not available
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
Compass not available
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
-
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
-
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
44 mm
368x448 pixels
977 mm² display area
44 mm
368x448 pixels
977 mm² display area
42 mm
312x390 pixels
740 mm² display area
740 mm² display area
40 mm
324x394 pixels
759 mm² display area
40 mm
324x394 pixels
759 mm² display area
38 mm
272x340 pixels
563 mm² display area
563 mm² 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
Series 6
SE
Series 3
LTE and UMTS not available
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
Apple Watch models
Apple Watch Series 6
- 40 mm or 44 mm case; over 30% larger display11
- Always-On Retina LTPO OLED display, 1,000 nits
- Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel and titanium cases
- GPS and GPS + Cellular models
- S6 SiP with 64-bit dual-core processor; W3 wireless chip; U1 chip (Ultra Wideband)7
- Digital Crown with haptic feedback
- Blood oxygen sensor; electrical heart sensor and third-generation optical heart sensor
- High and low heart rate notifications, irregular heart rhythm notification and ECG app3
- International emergency calling,5 Emergency SOS4 and fall detection
- Water resistant to 50 metres1
- LTE and UMTS,6 Wi-Fi and Bluetooth 5.0
- GPS/GNSS, compass and always-on altimeter
- 50% louder speaker11; built-in mic
- 32GB capacity
Apple Watch SE
- 40 mm or 44 mm case; over 30% larger display11
- Retina LTPO OLED display, 1,000 nits
- Ion-X glass display
- GPS and GPS + Cellular models
- S5 SiP with 64-bit dual-core processor; W3 wireless chip
- Digital Crown with haptic feedback
- Second-generation optical heart sensor
- High and low heart rate notifications and irregular heart rhythm notification3
- International emergency calling,5 Emergency SOS4 and fall detection
- Water resistant to 50 metres1
- LTE and UMTS,6 Wi-Fi and Bluetooth 5.0
- GPS/GNSS, compass and always-on altimeter
- 50% louder speaker11; built-in mic
- 32GB capacity
Apple Watch Series 5
- 40 mm or 44 mm case; over 30% larger display11
- Always-On Retina LTPO OLED display, 1,000 nits
- Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel, titanium and ceramic cases
- GPS and GPS + Cellular models
- S5 SiP with 64-bit dual-core processor; W3 wireless chip
- Digital Crown with haptic feedback
- Electrical heart sensor and second-generation optical heart sensor
- High and low heart rate notifications, irregular heart rhythm notification and ECG app3
- International emergency calling,5 Emergency SOS4 and fall detection
- Water resistant to 50 metres1
- LTE and UMTS,6 Wi-Fi and Bluetooth 5.0
- GPS/GNSS, compass and barometric altimeter
- 50% louder speaker11; built-in mic
- 32GB capacity
Apple Watch Series 4
- 40 mm or 44 mm case; over 30% larger display11
- Retina LTPO OLED display, 1,000 nits
- Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel cases
- GPS and GPS + Cellular models
- S4 SiP with 64-bit dual-core processor; W3 wireless chip
- Digital Crown with haptic feedback
- Electrical heart sensor and second-generation optical heart sensor
- High and low heart rate notifications, irregular heart rhythm notification and ECG app3
- Emergency SOS4 and fall detection
- Water resistant to 50 metres1
- LTE and UMTS,6 Wi-Fi and Bluetooth 5.0
- GPS/GNSS and barometric altimeter
- 50% louder speaker11; built-in mic
- 16GB capacity
Apple Watch Series 3
- 38 mm or 42 mm case
- Second-generation Retina OLED display, 1,000 nits
- Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel and ceramic cases
- GPS model
- S3 SiP with dual-core processor; W2 wireless chip
- Digital Crown
- Optical heart sensor
- High and low heart rate notifications and irregular heart rhythm notification3
- Emergency SOS4
- Water resistant to 50 metres1
- Wi-Fi and Bluetooth 4.2
- GPS/GNSS and barometric altimeter
- Built-in speaker and mic
- 8GB capacity
Apple Watch Series 2
- 38 mm or 42 mm case
- Second-generation Retina OLED display
- Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel and ceramic cases
- GPS model
- S2 with dual-core processor
- Digital Crown
- Optical heart sensor
- High and low heart rate notifications and irregular heart rhythm notification3
- Water resistant to 50 metres1
- Wi-Fi and Bluetooth 4.0
- GPS/GNSS
- Built-in speaker and mic
- 8GB capacity