Device specification profile

Apple Watch SE 3

Name: Apple Watch SE 3
Brand: Apple

Complete hardware specifications, launch details and a structured technical breakdown from the TechMyte device database.

Released 2025, September 19

26.4g or 33g, 10.7mm thickness

watchOS 26, up to watchOS 26.2

64GB storage, no card slot

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Sources and limitations

Specification source: GSMArena device record.

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

Technology	GSM / HSPA / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
4G bands	1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK
Speed	HSPA, LTE, 5G
5G bands	SA/NSA

Launch

Announced	2025, September 09
Status	Available. Released 2025, September 19

Body

Dimensions	44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight	26.4 g or 33 g (1.16 oz)
SIM	eSIM
Build	Glass front, plastic/sapphire crystal back, aluminum frame

Battery

Type	Li-Ion
Charging	Wireless, 80% in 45 min

Display

Size	1.78 inches
Resolution	448 x 368 pixels (~326 ppi density)
Protection	Ion-X strengthened glass (2025 gen)
Type	Retina LTPO OLED, 1000 nits (peak)

Platform

OS	watchOS 26, upgradable to watchOS 26.2
Chipset	Apple S10
CPU	Dual-core
GPU	PowerVR

Memory

Card slot	No
Internal	64GB

Sound

Loudspeaker	Yes
3.5mm jack	No

Comms

WLAN	Wi-Fi 802.11 b/g/n
Bluetooth	5.3, A2DP, LE
Positioning	GPS, GLONASS, GALILEO, QZSS
NFC	Yes
Radio	No
USB	No

Features

Sensors	Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body)

Misc

Colors	Midnight, Starlight
Price	€ 249.00
Models	A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
SAR EU	0.42 W/kg (head)
SAR	1.18 W/kg (head)