Apple Watch SE 3

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Apple Watch SE 3
A3324 / A3325 / A3326 / A3328 / A3391 / A3392 / A3327 / A3329
40mm and 44mm cases
Always-On Retina OLED LTPO display
S10 chip with 4-core Neural Engine
64GB capacity
Fast charge capable
50m water resistance
Wi-Fi 4 and Bluetooth 5.3
Select 5G and LTE on cellular models

Display

An Always‑On Retina display with OLED and LTPO is listed.

Up to 1000 nits peak brightness and 2 nits minimum brightness are listed.

Platform

S10 chip with 64‑bit dual‑core processor and 4‑core Neural Engine.

watchOS is listed in the source materials.

Sensors and Health

Second‑generation optical heart sensor, temperature sensor, compass, always‑on altimeter, high‑g accelerometer, high dynamic range gyroscope, and ambient light sensor are listed.

Sleep score, sleep apnoea notifications, cycle tracking, heart‑rate alerts, and emergency features are listed.

Connectivity

All models list Wi‑Fi 4, Bluetooth 5.3, GPS, Apple Pay, and GymKit.

Cellular models A3326 and A3328 list RedCap for 5G and LTE, with international roaming.

Battery and Charging

Up to 18 hours of normal use and up to 32 hours in Low Power Mode are listed.

Fast charging is listed at up to 80% in about 45 minutes.

Design and Fit

Aluminium case is listed in Midnight or Starlight.

40mm and 44mm models are listed with 10.7mm depth and wrist‑fit ranges in the source.

  • Brand / Product: Apple Watch SE 3
  • Model identifiers: A3324 / A3325 / A3326 / A3328 / A3391 / A3392 / A3327 / A3329
  • Release date: 2025-09-19
  • Announcement date: 2025-09-09
  • Case material: Aluminium
  • Case finishes: Midnight, Starlight

The source records list two case sizes, both with aluminium construction and a watchOS software platform. The 40mm and 44mm models are described with different pixel dimensions and weight values, while all models share the same core chip, display family, and sensor set.

  • Chip: S10 chip with 64‑bit dual‑core processor and 4‑core Neural Engine.
  • Capacity: 64GB.
  • Display: Always‑On Retina display with OLED and LTPO.
  • Brightness: Up to 1000 nits peak brightness; 2 nits minimum brightness.
  • Glass: Tough Ion‑X front glass with 4x crack resistance.
  • Water resistance: 50m (swim‑proof).

The provided records list Wi‑Fi 4, Bluetooth 5.3, and L1 GPS with GLONASS, Galileo, QZSS, and BeiDou for all models. Cellular variants A3326 and A3328 add support for RedCap for 5G and LTE, plus international roaming.

  • Wireless: 2.4GHz Wi‑Fi networks and Bluetooth 5.3.
  • Location: L1 GPS with GLONASS, Galileo, QZSS, and BeiDou.
  • Payments and fitness: Apple Pay and GymKit are listed.
  • Compatibility: iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later.

Apple lists a set of health, wellness, safety, and interaction features for this model. The source also notes Siri with on‑device processing, double‑tap and wrist‑flick gestures, and voice playback through the built‑in speaker.

  • Gestures: Double tap and wrist flick.
  • Health features: Sleep score, sleep stages, retrospective ovulation estimates, heart‑rate app, high and low heart‑rate notifications, irregular rhythm notifications, Medications, Mindfulness, Noise, and Cycle Tracking.
  • Safety features: Fall Detection, Crash Detection, Emergency SOS, and Check In.
  • Audio: Speaker, microphone, and media playback are listed.

The case is listed in 40mm and 44mm sizes with 10.7mm depth. The 40mm model is listed at 26.3g for GPS and 26.4g for GPS + Cellular, while the 44mm model is listed at 32.9g for GPS and 33.0g for GPS + Cellular. Wrist‑fit ranges are also provided in the source.

  • 40mm: 40mm high, 34mm wide, 10.7mm deep.
  • 44mm: 44mm high, 38mm wide, 10.7mm deep.
  • Materials: Aluminium case with Midnight or Starlight finish.
  • Fit ranges: 130-200mm wrists for 40mm; 140-245mm wrists for 44mm.

The in‑the‑box list is short and explicit in the source.

  • Apple Watch SE 3
  • Band
  • Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)

Apple Watch SE 3 is listed with two case sizes, an aluminium build, an Always‑On Retina OLED LTPO display, the S10 chip, 64GB capacity, fast charging, and 50m water resistance. The source also distinguishes GPS and GPS + Cellular variants by model number and notes select 5G and LTE support on the cellular models.

Launch Price (MSRP): Current Market Price:
US$249