Which Apple Watch
The biggest, most advanced Always-On Retina display. Measure your blood oxygen. And with the most crack-resistant front crystal ever and dust resistance certification, it’s the most durable Apple Watch ever.
With essential features to help you stay connected, active, and healthy. Large Retina display. Fall detection.
The core fitness, health, and connectivity features
of Apple Watch.
case size
Most crack-resistant front crystal
Certified IP6X
dust resistant
case size
case size
Nearly 20% more screen area than Apple Watch SE
Over 50% more screen area than Series 3
Over 30% larger than Series 3
by 10.7mm (45mm)
51.5 grams (Stainless Steel)
45.1 grams (Titanium)
by 10.7mm (44mm)
36.4 grams (GPS + Cellular)
by 11.4mm (42mm)
by 10.7mm (41mm)
42.3 grams (Stainless Steel)
37.0 grams (Titanium)
by 10.7mm (40mm)
30.7 grams (GPS + Cellular)
by 11.4mm (38mm)
1143 sq mm display area
368 by 448 pixels
977 sq mm display area
740 sq mm display area
904 sq mm display area
324 by 394 pixels
759 sq mm display area
563 sq mm display area
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GPS, GLONASS, Galileo, QZSS, and BeiDou
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GPS, GLONASS, Galileo, and QZSS
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GPS, GLONASS, Galileo, and QZSS
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Compass
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Compass
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Compass not available
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Always-on altimeter
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Always-on altimeter
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Altimeter
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Blood oxygen sensor
(Blood Oxygen app)2 -
Blood oxygen sensor not available
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Blood oxygen sensor not available
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Third-generation optical heart sensor
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Second-generation optical heart sensor
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Optical heart sensor
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Accelerometer
up to 32 g-forces with fall detection -
Accelerometer
up to 32 g-forces with fall detection -
Accelerometer
up to 16 g-forces
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Gyroscope
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Gyroscope
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Gyroscope
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Ambient light sensor
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Ambient light sensor
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Ambient light sensor
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Speaker
50 percent louder -
Speaker
50 percent louder -
Speaker
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Microphone
(enables Noise app) -
Microphone
(enables Noise app) -
Microphone
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GymKit
-
GymKit
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GymKit
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Capacity 32GB
GPS -
Capacity 32GB
GPS -
Capacity 8GB
GPS
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Ceramic and sapphire crystal back
GPS -
Ceramic and sapphire crystal back
GPS -
Composite back
GPS
Apple Watch models
Apple Watch Series 7
- 41mm or 45mm case; over 50 percent more screen area15
- Always-On Retina LTPO OLED display, 1000 nits
- Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel and titanium cases
- GPS models
- S7 SiP with 64-bit dual-core processor; W3 wireless chip; U1 chip (Ultra Wideband)10
- Digital Crown with haptic feedback
- Blood oxygen sensor; electrical heart sensor and third-generation optical heart sensor
- High and low heart rate notifications
- Emergency SOS and fall detection
- Water resistant 50 meters1
- Dustproof (IP6X)
- Most crack-resistant front crystal
- Wi-Fi, and Bluetooth 5.0
- GPS/GNSS, compass, and always-on altimeter
- 50 percent louder speaker15; built-in mic
- 32GB capacity
- Faster charge time
Apple Watch Series 6
- 40mm or 44mm case; over 30 percent larger display15
- Always-On Retina LTPO OLED display, 1000 nits
- Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel and titanium cases
- GPS models
- S6 SiP with 64-bit dual-core processor; W3 wireless chip; U1 chip (Ultra Wideband)10
- Digital Crown with haptic feedback
- Blood oxygen sensor; electrical heart sensor and third-generation optical heart sensor
- High and low heart rate notifications
- Emergency SOS and fall detection
- Water resistant 50 meters1
- Wi-Fi, and Bluetooth 5.0
- GPS/GNSS, compass, and always-on altimeter
- 50 percent louder speaker15; built-in mic
- 32GB capacity
Apple Watch SE
- 40mm or 44mm case; over 30 percent larger display15
- Retina LTPO OLED display, 1000 nits
- Ion-X glass display
- GPS 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 notification(none)
- Emergency SOS and fall detection
- Water resistant 50 meters1
- Wi-Fi, and Bluetooth 5.0
- GPS/GNSS, compass, and always-on altimeter
- 50 percent louder speaker15; built-in mic
- 32GB capacity
Apple Watch Series 5
- 40mm or 44mm case; over 30 percent larger display15
- Always-On Retina LTPO OLED display, 1000 nits
- Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel, titanium, and ceramic cases
- GPS 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
- Emergency SOS and fall detection
- Water resistant 50 meters1
- Wi-Fi, and Bluetooth 5.0
- GPS/GNSS, compass, and barometric altimeter
- 50 percent louder speaker15; built-in mic
- 32GB capacity
Apple Watch Series 4
- 40mm or 44mm case; over 30 percent larger display15
- Retina LTPO OLED display, 1000 nits
- Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel cases
- GPS 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
- Emergency SOS3 and fall detection
- Water resistant 50 meters1
- Wi-Fi, and Bluetooth 5.0
- GPS/GNSS and barometric altimeter
- 50 percent louder speaker15; built-in mic
- 16GB capacity
Apple Watch Series 3
- 38mm or 42mm case
- Second-generation Retina OLED display, 1000 nits
- Ion-X glass display on aluminum 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 notification(none)
- Emergency SOS3
- Water resistant 50 meters1
- Wi-Fi and Bluetooth 4.2
- GPS/GNSS and barometric altimeter
- Built-in speaker and mic
- 8GB capacity
Apple Watch Series 2
- 38mm or 42mm case
- Second-generation Retina OLED display
- Ion-X glass display on aluminum 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 notification(none)
- Water resistant 50 meters1
- Wi-Fi and Bluetooth 4.0
- GPS/GNSS
- Built-in speaker and mic
- 8GB capacity