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Apple Watch SE 3eSIM Support and Specs

Apple Watch SE 3 supports eSIM. Review Apple 5G compatibility, key device specs, SIM details, battery, display, camera and network bands for encryptSIM. Released 2025, September 19.

Apple Watch SE 3 device
At a glance

Key device specs

eSIM
Ready for instant activation
SIM
Network
GSM / HSPA / LTE / 5G
5G
Display
1.78", 448x368 pixels
DSP
Chipset
Apple S10
CPU
Battery
5W
BAT
Storage
64GB storage, no card slot
GB

Does Apple Watch SE 3 support eSIM?

Apple Watch SE 3 is listed as an eSIM-capable device in the encryptSIM device catalog.

Bring eSIM support above the dense specification table so visitors can make a purchase decision quickly.

eSIM supported

eSIM facts

  • OKActive eSIMs: Supported
  • OKStored eSIMs: Varies by model
  • OKSIM variants: eSIM

eSIM

Connectivity profile

  • OKGSM / HSPA / LTE / 5G
  • OKSA/NSA
  • OKAvailable. Released 2025, September 19

Install flow

  • OKConfirm device model and regional SIM variant.
  • OKBuy an encryptSIM plan for the destination.
  • OKScan the QR code and activate mobile data.
Device FAQ

Common questions about Apple Watch SE 3

Does Apple Watch SE 3 support eSIM?

Apple Watch SE 3 is listed as an eSIM-capable device in the encryptSIM device catalog. eSIM availability can still vary by region, carrier, firmware, and hardware variant.

Can I use encryptSIM with Apple Watch SE 3?

Yes. If your Apple Watch SE 3 model is unlocked and supports eSIM in your region, you can install an encryptSIM eSIM data plan on it.

Does Apple Watch SE 3 support 5G?

Apple Watch SE 3 is listed with 5G support. Actual 5G availability depends on the local network, plan, bands, and coverage.

What SIM setup does Apple Watch SE 3 use?

Apple Watch SE 3 SIM details: eSIM.

Which operating system does Apple Watch SE 3 use?

Apple Watch SE 3 is listed with watchOS 26, up to watchOS 26.4. Software updates and regional firmware can affect setup flows and carrier options.

Keep exploring
Technical details

Detailed Apple Watch SE 3 specifications

5G

Network Architecture

Technology
GSM / HSPA / LTE / 5G
2g Bands
GSM 850 / 900 / 1800 / 1900
3g Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
Other
HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4g Bands
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK
Other 2
1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
5g Bands
SA/NSA
Speed
HSPA, LTE, 5G
GO

Launch & Availability

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

Physical Attributes

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)
Build
Glass front, plastic/sapphire crystal back, aluminum frame
Sim
eSIM
Other
50m water resistant
PX

Display Performance

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

Platform

Os
watchOS 26, upgradable to watchOS 26.4
Chipset
Apple S10
Cpu
Dual-core
Gpu
PowerVR
GB

Memory

Card Slot
No
Internal
64GB
MP

Camera

Other
No
AU

Sound

Loudspeaker
Yes
3 5mm Jack
No
RF

Connectivity

Wlan
Wi-Fi 802.11 b/g/n
Bluetooth
5.3, A2DP, LE
Positioning
GPS, GLONASS, GALILEO, QZSS
Nfc
Yes
Radio
No
Usb
No
FN

Features

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

Battery

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

Misc

Colors
Midnight, Starlight
Models
A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392
Sar
1.18 W/kg (head)
Sar Eu
0.42 W/kg (head)
Price
€ 244.00