Which Apple Watch
is right for you?

Series 7
SE
Series 3
products
 

The biggest, most advanced Always‑On Retina display. Measure your blood oxygen and take an ECG. 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.

 
45mm or 41mm
case size
Most crack-resistant front crystal
Certified IP6X dust resistant
44mm or 40mm
case size
42mm or 38mm
case size
 
Always-On Retina display
Nearly 20% more screen area than Apple Watch SE
Over 50% more screen area than Series 3
Retina display
Over 30% larger than Series 3
Retina display
 

Water resistant1

Swimproof

Water resistant1

Swimproof

Water resistant1

Swimproof

 
Blood Oxygen app2
  Blood Oxygen app not available
  Blood Oxygen app not available
 
ECG app3
  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
notification3
Irregular heart rhythm
notification3
Irregular heart rhythm
notification3
 
Emergency SOS4
Emergency SOS4
Emergency SOS4
 
Fall detection
Fall detection
  Fall Detection not available
 
Compass
Compass
  Compass not available
 
Always-on altimeter
Always-on altimeter
Altimeter
 
Up to 18 hours5
Up to 18 hours6
Up to 18 hours7
 
Faster charge
Up to 33% faster charging8
  Fast charge not available
  Fast charge not available
Key Differences
Tech Specs
Series 7
SE
Series 3
GPS
Aluminum available in midnight, starlight, green, blue, and (PRODUCT)RED.10
GPS
Aluminum available in space gray, silver, and gold.
GPS
Aluminum available in space gray and silver.
Apple Watch Nike
Aluminum available in midnight and starlight.
Apple Watch Nike
Aluminum available in space gray and silver.
Series 7
SE
Series 3
45mm by 38mm
by 10.7mm (45mm)
38.8 grams (Aluminum, GPS)
44mm by 38mm
by 10.7mm (44mm)
36.2 grams (GPS)
42.5mm by 36.4mm
by 11.4mm (42mm)
32.3 grams (GPS)
41mm by 35mm
by 10.7mm (41mm)
32.0 grams (Aluminum, GPS)
40mm by 34 mm
by 10.7mm (40mm)
30.5 grams (GPS)
38.6mm by 33.3mm
by 11.4mm (38mm)
26.7 grams (GPS)
Series 7
SE
Series 3
45mm
396 by 484 pixels
1143 sq mm display area
44mm

368 by 448 pixels
977 sq mm display area

42mm
312 by 390 pixels
740 sq mm display area
41mm
352 by 430 pixels
904 sq mm display area
40mm

324 by 394 pixels
759 sq mm display area

38mm
272 by 340 pixels
563 sq mm display area
Always-On Retina LTPO OLED display
1000 nits brightness
Retina LTPO OLED display
1000 nits brightness
Retina OLED display
1000 nits brightness
Series 7
SE
Series 3
  • GPS, GLONASS, Galileo, QZSS, and BeiDou
  • GPS, GLONASS, Galileo, and QZSS
  • GPS, GLONASS, Galileo, and QZSS
  • Compass
  • Compass
  • Compass not available
  • Always-on altimeter
  • Always-on altimeter
  • Altimeter
  • Water resistant
    50 meters1

  • Water resistant
    50 meters1

  • Water resistant
    50 meters1

  • Blood oxygen sensor
    (Blood Oxygen app)2
  • Blood oxygen sensor not available
  • Blood oxygen sensor not available
  • Electrical heart sensor
    (ECG app)3
  • Electrical heart sensor not available
  • Electrical heart sensor not available
  • Third-generation optical heart sensor
  • Second-generation optical heart sensor
  • Optical heart sensor
  • 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 percent louder
  • Speaker
    50 percent louder
  • Speaker
  • Microphone
    (enables Noise app)
  • Microphone
    (enables Noise app)
  • Microphone
  • Apple Pay
  • Apple Pay
  • Apple Pay
  • GymKit
  • GymKit
  • GymKit
  • Capacity 32GB
    GPS

  • Capacity 32GB
    GPS

  • Capacity 8GB
    GPS

  • Ceramic and sapphire crystal back
    GPS

  • Ceramic and sapphire crystal back
    GPS

  • Composite back
    GPS

Series 7
SE
Series 3
S7 with 64-bit dual-core processor
Up to 20% faster than SE9
S5 SiP with 64-bit dual-core processor
Up to 2x faster than S39
S3 SiP with dual-core processor
W3
Apple wireless chip
W3
Apple wireless chip
W2
Apple wireless chip
U1 chip
(Ultra Wideband)11
U1 chip not available
U1 chip not available
Series 7
SE
Series 3
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 7
SE
Series 3
Built-in rechargeable lithium-ion battery
Up to 18 hours5
Built-in rechargeable lithium-ion battery
Up to 18 hours6
Built-in rechargeable lithium-ion battery
Up to 18 hours7
USB-C magnetic fast charging cable
USB-C magnetic charging cable
USB-A magnetic charging cable
Series 7
SE
Series 3
  • 100% recycled aluminum
    in the case
  • 100% recycled tungsten in the Taptic Engine
  • 100% recycled rare earth elements in all magnets
  • 100% recycled tin in the SiP
  • Energy efficient13
  • Responsible packaging14
  • Arsenic-free display glass15
  • Mercury-, BFR-, PVC-, and beryllium-free15
  • 100% recycled aluminum
    in the case
  • Energy efficient13
  • Responsible packaging14
  • Arsenic-free display glass15
  • Mercury-, BFR-, PVC-, and beryllium-free15

  • Energy efficient13
  • Responsible packaging14
  • Arsenic-free display glass15
  • Mercury-, BFR-, PVC-, and beryllium-free15

There’s an
Apple Watch
for everyone.