Screen size
Watch SE 3Winner: 1.8"+7.3%
Watch Sport 42mm (1st gen)1.7"
Quick verdict
Watch SE 3 leads the measured specs 8-2.
Measured wins
Watch SE 3
8
spec wins
Overall winner
Ties
3
equal specs
Watch Sport 42mm (1st gen)
2
spec wins
Screen size
Technology
Watch SE 3
GSM / HSPA / LTE / 5G
Watch Sport 42mm (1st gen)
No cellular connectivity
2G bands
Watch SE 3
GSM 850 / 900 / 1800 / 1900
Watch Sport 42mm (1st gen)
N/A
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 Sport 42mm (1st gen)
-
4G bands
Watch SE 3
Resolution
Refresh rate
Peak brightness
Pixel 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
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 Sport 42mm (1st gen)
-
5G bands
Watch SE 3
SA/NSA
Watch Sport 42mm (1st gen)
-
Speed
Watch SE 3
HSPA, LTE, 5G
Watch Sport 42mm (1st gen)
-
GPRS
Watch SE 3
-
Watch Sport 42mm (1st gen)
No
EDGE
Watch SE 3
-
Watch Sport 42mm (1st gen)
No
Announced
Watch SE 3
2025, September 09
Watch Sport 42mm (1st gen)
2014, September. Released 2015, April
Status
Watch SE 3
Available. Released 2025, September 19
Watch Sport 42mm (1st gen)
Discontinued
Dimensions
Watch SE 3
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Watch Sport 42mm (1st gen)
42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in)
Weight
Watch SE 3
26.4 g or 33 g (1.16 oz)
Watch Sport 42mm (1st gen)
30 g body (2.47 oz)
Build
Watch SE 3
Glass front, plastic/sapphire crystal back, aluminum frame
Watch Sport 42mm (1st gen)
Glass front, composite plastic back, aluminum frame
SIM
Watch SE 3
eSIM
Watch Sport 42mm (1st gen)
No
Other
Watch SE 3
50m water resistant
Watch Sport 42mm (1st gen)
IPX7 water resistant up to 1 meter and 30 minutes
Type
Watch SE 3
Retina LTPO OLED, 1000 nits (peak)
Watch Sport 42mm (1st gen)
Retina OLED, 450 nits (peak)
Size
Watch SE 3
1.78 inches
Watch Sport 42mm (1st gen)
1.65 inches
Resolution
Watch SE 3
448 x 368 pixels (~326 ppi density)
Watch Sport 42mm (1st gen)
390 x 312 pixels (~302 ppi density)
Protection
Watch SE 3
Ion-X strengthened glass (2025 gen)
Watch Sport 42mm (1st gen)
Ion-X strengthened glass
Other
Watch SE 3
-
Watch Sport 42mm (1st gen)
3D Touch display
OS
Watch SE 3
watchOS 26, upgradable to watchOS 26.2.1
Watch Sport 42mm (1st gen)
watchOS 1.0, upgradable to watchOS 4.3.2
Chipset
Watch SE 3
Apple S10
Watch Sport 42mm (1st gen)
Apple S1 (28 nm)
CPU
Watch SE 3
Dual-core
Watch Sport 42mm (1st gen)
520 MHz Cortex-A7
GPU
Watch SE 3
PowerVR
Watch Sport 42mm (1st gen)
PowerVR SGX543
Card slot
Watch SE 3
No
Watch Sport 42mm (1st gen)
No
Internal
Watch SE 3
64GB
Watch Sport 42mm (1st gen)
8GB 512MB RAM
Other
Watch SE 3
No
Watch Sport 42mm (1st gen)
No
Loudspeaker
Watch SE 3
Yes
Watch Sport 42mm (1st gen)
Yes
3.5mm jack
Watch SE 3
No
Watch Sport 42mm (1st gen)
No
WLAN
Watch SE 3
Wi-Fi 802.11 b/g/n
Watch Sport 42mm (1st gen)
Wi-Fi 802.11 b/g/n
Bluetooth
Watch SE 3
5.3, A2DP, LE
Watch Sport 42mm (1st gen)
4.0, LE
Positioning
Watch SE 3
GPS, GLONASS, GALILEO, QZSS
Watch Sport 42mm (1st gen)
No
NFC
Watch SE 3
Yes
Watch Sport 42mm (1st gen)
Yes
Radio
Watch SE 3
No
Watch Sport 42mm (1st gen)
No
USB
Watch SE 3
No
Watch Sport 42mm (1st gen)
No
Sensors
Watch SE 3
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body)
Watch Sport 42mm (1st gen)
Accelerometer, gyro, heart rate
Other
Watch SE 3
Media playback
Watch Sport 42mm (1st gen)
Natural language commands and dictation
Type
Watch SE 3
Li-Ion
Watch Sport 42mm (1st gen)
Li-Ion 250 mAh (0.94 Wh), non-removable
Charging
Watch SE 3
Wireless, 80% in 45 min
Watch Sport 42mm (1st gen)
Wireless
Colors
Watch SE 3
Midnight, Starlight
Watch Sport 42mm (1st gen)
Silver/White, Orange, Blue; Gray/Black; Rose Gold/Lavender, Stone; Gold/White, Blue, Yellow, Apricot, Royal Blue, Pink/Royal Blue/Gold&Red/Black Woven Nylon
Models
Watch SE 3
A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
Watch Sport 42mm (1st gen)
A1554
SAR
Watch SE 3
1.18 W/kg (head)
Watch Sport 42mm (1st gen)
-
SAR EU
Watch SE 3
0.42 W/kg (head)
Watch Sport 42mm (1st gen)
-
Price
Watch SE 3
€ 244.00
Watch Sport 42mm (1st gen)
About 250 EUR