Apple Watch SE Specs History

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Updated: 2026/03/14
Device Count: 3
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Basic Info
Chip / Memory / Storage
Screen Size
Screen Details
Connectivity
Sensors
Dust & Water Resistance
Location
Case Material
Display Material
Size & Weight
Model Numbers
Model ID
Docs
Apple Watch SE(3rd generation)
Preview
Preview
Apple Watch SE
(3rd generation)
Release Date
2025.09.10
OS Support
watchOS 26 or later
Color
Coprocessor
Apple W3
Requirements
iPhone 11 or later, with iOS 26 or later
Apple S10
Coprocessor:
Apple W3
Cores:
2
Arch:
64-bit
RAM:
2GB
Storage:
64GB
Resolution (40mm)：
324 x 394
Resolution (44mm)：
368 x 448
Display Area (40mm)：
759 sq mm
Display Area (44mm)：
977 sq mm
40mm/44mm
Always-On LTPO OLED Retina display
Always-On:
None
Brightness:
Up to 1000 nits
Material:
Ion-X glass
PPI：
326
Cellular:
MTK MT6815
Wi-Fi:
802.11n 2.4GHz
Bluetooth:
Bluetooth 5.3
NFC:
NFC and FeliCa
High-g accelerometerHigh dynamic range gyroscopeAmbient light sensorSecond-generation optical heart sensorAlways-on altimeterMagnetometerTemperature sensor
Water: Water resistant 50 meters (ISO 22810:2010)
L1 GPS, GLONASS, Galileo, QZSS, and BeiDou
Aluminum
Ion-X glass
L x W x T (40mm)：40mm x 34mm x -mm
Weight (40mm)：-
L x W x T (44mm)：44mm x 38mm x -mm
Weight (44mm)：-
A3324, A3391, A3326, A332742mm case
A3325, A3392, A3328, A332946mm case
Watch7,1340mm GPS
Watch7,1444mm GPS
Watch7,1540mm GPS + Cellular
Watch7,1644mm GPS + Cellular
Tech Specs
Apple Watch SE(2nd generation)
Preview
Preview
Apple Watch SE
(2nd generation)
Release Date
2022.09.08
OS Support
watchOS 9 or later
Color
Coprocessor
Apple W3
Requirements
iPhone 8 or later, with iOS 16 or later
Apple S8
Coprocessor:
Apple W3
Cores:
2
Arch:
64-bit
RAM:
1.5GB
Storage:
32GB
Resolution (40mm)：
324 x 394
Resolution (44mm)：
368 x 448
Display Area (40mm)：
759 sq mm
Display Area (44mm)：
977 sq mm
40mm/44mm
LTPO OLED Retina display
Always-On:
None
Brightness:
Up to 1000 nits
Material:
Ion-X glass
PPI：
326
Cellular:
Intel XMM7560
Wi-Fi:
802.11n 2.4GHz
Bluetooth:
Bluetooth 5.3
NFC:
NFC and FeliCa
High-g accelerometerHigh dynamic range gyroscopeAmbient light sensorSecond-generation optical heart sensorAlways-on altimeterMagnetometer
Water: Water resistant 50 meters (ISO 22810:2010)
L1 GPS, GLONASS, Galileo, QZSS, and BeiDou
Aluminum
Ion-X glass
L x W x T (40mm)：40mm x 34mm x 10.7mm
Weight (40mm)：26.4–27.8g
L x W x T (44mm)：44mm x 38mm x 10.7mm
Weight (44mm)：32.9–33g
A2722, A2726, A2725, A285540mm case
A2723, A2727, A2724, A285644mm case
Watch6,1040mm GPS
Watch6,1144mm GPS
Watch6,1240mm GPS + Cellular
Watch6,1344mm GPS + Cellular
Tech Specs
Apple Watch SE(1st generation)
Preview
Preview
Apple Watch SE
(1st generation)
Release Date
2020.09.16
OS Support
watchOS 7→watchOS 10
Color
Coprocessor
Apple W3
Requirements
iPhone 6s or later, with iOS 14 or later
Apple S5
Coprocessor:
Apple W3
Cores:
2
Arch:
64-bit
RAM:
1GB
Storage:
32GB
Resolution (40mm)：
324 x 394
Resolution (44mm)：
368 x 448
Display Area (40mm)：
759 sq mm
Display Area (44mm)：
977 sq mm
40mm/44mm
LTPO OLED Retina display
Always-On:
None
Brightness:
Up to 1000 nits
Material:
Ion-X glass
PPI：
326
Cellular:
Intel XMM7560
Wi-Fi:
802.11n 2.4GHz
Bluetooth:
Bluetooth 5.0
NFC:
NFC and FeliCa
32 g accelerometerGyroscopeAmbient light sensorSecond-generation optical heart sensorBarometric altimeterMagnetometer
Water: Water resistant 50 meters (ISO 22810:2010)
GPS, GLONASS, Galileo, QZSS, and BeiDou
Aluminum
Ion-X glass
L x W x T (40mm)：40mm x 34mm x 10.4mm
Weight (40mm)：30.49–30.68g
L x W x T (44mm)：44mm x 38mm x 10.4mm
Weight (44mm)：36.20–36.36g
A2351, A2353, A235540mm case
A2352, A2354, A235644mm case
Watch5,940mm GPS
Watch5,1044mm GPS
Watch5,1140mm GPS + Cellular
Watch5,1244mm GPS + Cellular
Tech Specs