Screen size
Watch SE 31.8"
Watch Series 10Winner: 2.0"+9.2%
Quick verdict
Watch Series 10 leads the measured specs 6-2.
Measured wins
Watch SE 3
2
spec wins
Ties
5
equal specs
Watch Series 10
6
spec wins
Overall winner
Screen size
Technology
Watch SE 3
GSM / HSPA / LTE / 5G
Watch Series 10
GSM / HSPA / LTE
2G bands
Watch SE 3
GSM 850 / 900 / 1800 / 1900
Watch Series 10
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 10
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
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 10
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
5G bands
Watch SE 3
SA/NSA
Watch Series 10
-
Speed
Watch SE 3
HSPA, LTE, 5G
Watch Series 10
HSPA, LTE
Announced
Watch SE 3
2025, September 09
Watch Series 10
2024, September 09
Status
Watch SE 3
Available. Released 2025, September 19
Watch Series 10
Available. Released 2024, September 20
Dimensions
Watch SE 3
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Watch Series 10
46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
Weight
Watch SE 3
26.4 g or 33 g (1.16 oz)
Watch Series 10
34.4 g (42mm), 41.7 g (46mm) (1.48 oz)
Build
Watch SE 3
Glass front, plastic/sapphire crystal back, aluminum frame
Watch Series 10
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5)
SIM
Watch SE 3
eSIM
Watch Series 10
eSIM
Other
Watch SE 3
50m water resistant
Watch Series 10
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) Depth gauge to 6m
Type
Watch SE 3
Retina LTPO OLED, 1000 nits (peak)
Watch Series 10
Retina LTPO3 OLED, 2000 nits (peak)
Size
Watch SE 3
1.78 inches
Watch Series 10
1.96 inches
Resolution
Watch SE 3
448 x 368 pixels (~326 ppi density)
Watch Series 10
496 x 416 pixels (~330 ppi density)
Protection
Watch SE 3
Ion-X strengthened glass (2025 gen)
Watch Series 10
Sapphire crystal glass
Other
Watch SE 3
-
Watch Series 10
Wide-angle OLED
OS
Watch SE 3
watchOS 26, upgradable to watchOS 26.2.1
Watch Series 10
watchOS 11, upgradable to watchOS 26.2.1
Chipset
Watch SE 3
Apple S10
Watch Series 10
Apple S10
CPU
Watch SE 3
Dual-core
Watch Series 10
Dual-core
GPU
Watch SE 3
PowerVR
Watch Series 10
PowerVR
Card slot
Watch SE 3
No
Watch Series 10
No
Internal
Watch SE 3
64GB
Watch Series 10
64GB
Other
Watch SE 3
No
Watch Series 10
No
Loudspeaker
Watch SE 3
Yes
Watch Series 10
Yes
3.5mm jack
Watch SE 3
No
Watch Series 10
No
WLAN
Watch SE 3
Wi-Fi 802.11 b/g/n
Watch Series 10
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
Watch SE 3
5.3, A2DP, LE
Watch Series 10
5.3, A2DP, LE
Positioning
Watch SE 3
GPS, GLONASS, GALILEO, QZSS
Watch Series 10
GPS, GLONASS, GALILEO, QZSS, BDS
NFC
Watch SE 3
Yes
Watch Series 10
Yes
Radio
Watch SE 3
No
Watch Series 10
No
USB
Watch SE 3
No
Watch Series 10
No
Sensors
Watch SE 3
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body)
Watch Series 10
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
Other
Watch SE 3
Media playback
Watch Series 10
Temperature sensing (0.01˚ accuracy) Ultra Wideband (UWB) support (gen2 chip) Media playback
Type
Watch SE 3
Li-Ion
Watch Series 10
Li-Ion 327 mAh
Charging
Watch SE 3
Wireless, 80% in 45 min
Watch Series 10
Wireless, 0-80% in 30 min
Colors
Watch SE 3
Midnight, Starlight
Watch Series 10
Slate, Gold, Natural
Models
Watch SE 3
A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
Watch Series 10
A3001, A3002, A3003, A3206
SAR
Watch SE 3
1.18 W/kg (head)
Watch Series 10
1.08 W/kg (head)
SAR EU
Watch SE 3
0.42 W/kg (head)
Watch Series 10
0.26 W/kg (head) 0.83 W/kg (body)
Price
Watch SE 3
€ 244.00
Watch Series 10
€ 579.00