Screen size
equal specsWatch SE 21.8"
Watch SE 31.8"
Quick verdict
Watch SE 3 leads the measured specs 3-2.
Measured wins
Watch SE 2
2
spec wins
Ties
9
equal specs
Watch SE 3
3
spec wins
Overall winner
Screen size
equal specsTechnology
Watch SE 2
GSM / HSPA / LTE
Watch SE 3
GSM / HSPA / LTE / 5G
2G bands
Watch SE 2
GSM 850 / 900 / 1800 / 1900
Watch SE 3
GSM 850 / 900 / 1800 / 1900
3G bands
Watch SE 2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
Watch SE 3
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands
Resolution
equal specsRefresh rate
Peak brightness
equal specsPixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch SE 2
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK, 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Watch SE 3
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK, 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Speed
Watch SE 2
HSPA, LTE
Watch SE 3
HSPA, LTE, 5G
5G bands
Watch SE 2
-
Watch SE 3
SA/NSA
Announced
Watch SE 2
2022, September 07
Watch SE 3
2025, September 09
Status
Watch SE 2
Available. Released 2022, September 16
Watch SE 3
Available. Released 2025, September 19
Dimensions
Watch SE 2
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Watch SE 3
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight
Watch SE 2
33 g (1.16 oz)
Watch SE 3
26.4 g or 33 g (1.16 oz)
Build
Watch SE 2
Glass front, plastic/sapphire crystal back, aluminum frame
Watch SE 3
Glass front, plastic/sapphire crystal back, aluminum frame
SIM
Watch SE 2
eSIM
Watch SE 3
eSIM
Other
Watch SE 2
50m water resistant
Watch SE 3
50m water resistant
Type
Watch SE 2
Retina LTPO OLED, 1000 nits (peak)
Watch SE 3
Retina LTPO OLED, 1000 nits (peak)
Size
Watch SE 2
1.78 inches
Watch SE 3
1.78 inches
Resolution
Watch SE 2
448 x 368 pixels (~326 ppi density)
Watch SE 3
448 x 368 pixels (~326 ppi density)
Protection
Watch SE 2
Ion-X strengthened glass
Watch SE 3
Ion-X strengthened glass (2025 gen)
OS
Watch SE 2
watchOS 9.0, upgradable to watchOS 26.2.1
Watch SE 3
watchOS 26, upgradable to watchOS 26.2.1
Chipset
Watch SE 2
Apple S8
Watch SE 3
Apple S10
CPU
Watch SE 2
Dual-core
Watch SE 3
Dual-core
GPU
Watch SE 2
PowerVR
Watch SE 3
PowerVR
Card slot
Watch SE 2
No
Watch SE 3
No
Internal
Watch SE 2
32GB 1GB RAM
Watch SE 3
64GB
Other
Watch SE 2
No
Watch SE 3
No
Loudspeaker
Watch SE 2
Yes
Watch SE 3
Yes
3.5mm jack
Watch SE 2
No
Watch SE 3
No
WLAN
Watch SE 2
Wi-Fi 802.11 b/g/n
Watch SE 3
Wi-Fi 802.11 b/g/n
Bluetooth
Watch SE 2
5.3, A2DP, LE
Watch SE 3
5.3, A2DP, LE
Positioning
Watch SE 2
GPS, GLONASS, GALILEO, QZSS
Watch SE 3
GPS, GLONASS, GALILEO, QZSS
NFC
Watch SE 2
Yes
Watch SE 3
Yes
Radio
Watch SE 2
No
Watch SE 3
No
USB
Watch SE 2
No
Watch SE 3
No
Sensors
Watch SE 2
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass
Watch SE 3
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body)
Other
Watch SE 2
-
Watch SE 3
Media playback
Type
Watch SE 2
Li-Ion 296 mAh
Watch SE 3
Li-Ion
Charging
Watch SE 2
Wireless
Watch SE 3
Wireless, 80% in 45 min
Colors
Watch SE 2
Midnight, Starlight, Silver
Watch SE 3
Midnight, Starlight
Models
Watch SE 2
A2722, A2723, A2724, A2727, A2856, A2725, A2726, A2855, watch6,10, watch6,11, watch6,12, watch6,13
Watch SE 3
A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
SAR
Watch SE 2
0.27 W/kg (head) 1.96 W/kg (body)
Watch SE 3
1.18 W/kg (head)
SAR EU
Watch SE 2
0.27 W/kg (head) 1.96 W/kg (body)
Watch SE 3
0.42 W/kg (head)
Price
Watch SE 2
About 190 EUR
Watch SE 3
€ 244.00