Screen size
Watch SE 3Winner: 1.8"+7.3%
Watch Series 31.7"
Quick verdict
Watch SE 3 leads the measured specs 8-1.
Measured wins
Watch SE 3
8
spec wins
Overall winner
Ties
4
equal specs
Watch Series 3
1
spec wins
Screen size
Technology
Watch SE 3
GSM / HSPA / LTE / 5G
Watch Series 3
GSM / HSPA / LTE
2G bands
Watch SE 3
GSM 850 / 900 / 1800 / 1900
Watch Series 3
GSM 850 / 900 / 1800 / 1900
3G bands
Watch SE 3
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
Watch Series 3
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891), HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada (A1861), HSDPA 2100 - China (A1892)
4G bands
Resolution
Refresh rate
Peak brightness
equal specsPixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
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
Watch Series 3
1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891), 2, 4, 5, 12, 13, 17, 18, 19, 25, 26, 41 - USA, LATAM, Canada (A1861), 1, 3, 39, 40, 41 - China (A1892)
5G bands
Watch SE 3
SA/NSA
Watch Series 3
-
Speed
Watch SE 3
HSPA, LTE, 5G
Watch Series 3
HSPA, LTE
Announced
Watch SE 3
2025, September 09
Watch Series 3
2017, September. Released 2017, September
Status
Watch SE 3
Available. Released 2025, September 19
Watch Series 3
Discontinued
Dimensions
Watch SE 3
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Watch Series 3
42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
Weight
Watch SE 3
26.4 g or 33 g (1.16 oz)
Watch Series 3
52.8 g (1.87 oz)
Build
Watch SE 3
Glass front, plastic/sapphire crystal back, aluminum frame
Watch Series 3
Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
SIM
Watch SE 3
eSIM
Watch Series 3
eSIM
Other
Watch SE 3
50m water resistant
Watch Series 3
50m water resistant
Type
Watch SE 3
Retina LTPO OLED, 1000 nits (peak)
Watch Series 3
Retina OLED, 1000 nits (peak)
Size
Watch SE 3
1.78 inches
Watch Series 3
1.65 inches
Resolution
Watch SE 3
448 x 368 pixels (~326 ppi density)
Watch Series 3
390 x 312 pixels (~303 ppi density)
Protection
Watch SE 3
Ion-X strengthened glass (2025 gen)
Watch Series 3
Sapphire crystal glass
Other
Watch SE 3
-
Watch Series 3
3D Touch display
OS
Watch SE 3
watchOS 26, upgradable to watchOS 26.2.1
Watch Series 3
watchOS 4.0, upgradable to watchOS 8.7
Chipset
Watch SE 3
Apple S10
Watch Series 3
Apple S3
CPU
Watch SE 3
Dual-core
Watch Series 3
Dual-core
GPU
Watch SE 3
PowerVR
Watch Series 3
PowerVR
Card slot
Watch SE 3
No
Watch Series 3
No
Internal
Watch SE 3
64GB
Watch Series 3
16GB 768MB RAM
Other
Watch SE 3
No
Watch Series 3
No
Loudspeaker
Watch SE 3
Yes
Watch Series 3
Yes
3.5mm jack
Watch SE 3
No
Watch Series 3
No
WLAN
Watch SE 3
Wi-Fi 802.11 b/g/n
Watch Series 3
Wi-Fi 802.11 b/g/n
Bluetooth
Watch SE 3
5.3, A2DP, LE
Watch Series 3
4.2, A2DP, LE
Positioning
Watch SE 3
GPS, GLONASS, GALILEO, QZSS
Watch Series 3
GPS, GLONASS
NFC
Watch SE 3
Yes
Watch Series 3
Yes
Radio
Watch SE 3
No
Watch Series 3
No
USB
Watch SE 3
No
Watch Series 3
No
Sensors
Watch SE 3
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body)
Watch Series 3
Accelerometer, gyro, heart rate, barometer
Other
Watch SE 3
Media playback
Watch Series 3
Natural language commands and dictation (talking mode)
Type
Watch SE 3
Li-Ion
Watch Series 3
Li-Ion 341 mAh (1.34 Wh), non-removable
Charging
Watch SE 3
Wireless, 80% in 45 min
Watch Series 3
Wireless
Colors
Watch SE 3
Midnight, Starlight
Watch Series 3
Space Black, Silver
Models
Watch SE 3
A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
Watch Series 3
A1860, A1861, A1889, A1891, A1890, A1892
SAR
Watch SE 3
1.18 W/kg (head)
Watch Series 3
0.35 W/kg (head) 0.18 W/kg (body)
SAR EU
Watch SE 3
0.42 W/kg (head)
Watch Series 3
-
Price
Watch SE 3
€ 244.00
Watch Series 3
About 700 EUR