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Buying guide›Apple Watch›Apple Watch SE 3
Good buy right now

Apple Watch SE 3

Essential health features at a great price.

Buy on AmazonBuy at Apple

Amazon is usually cheaper and comes with the same one-year Apple warranty. Either way you can add AppleCare+ within 60 days of purchase.

iHelp's verdict

The sensible first Apple Watch, and a good one for children and parents.

Key facts

Released
19 September 2025
Colours
Midnight, Starlight
Chip
S10 chip with 64‑bit dual core processor
Display
Always-On Retina display with OLED and LTPO
Battery
All‑day battery life, up to 18 hours of normal use

Who should buy it

A first Apple Watch, a child's watch, or a parent who wants fall detection, calls and the basics without the extras.

In more detail

40mm and 44mm aluminium cases, S10 chip, Always-On display, sleep score, fast charging and 5G on cellular models. Runs watchOS 27.

Not sure if it's right for you? Book a session and an iHelp specialist will talk it through with you. Amazon links are affiliate links; iHelp earns a small commission at no extra cost to you.

Tech specs

Full details at Apple →

Size and weight

  • Height: 44mm
  • Width: 38mm
  • Depth: 10.7mm
  • 368x448 pixels

Controls

  • Digital Crown with haptic feedback
  • Side button
  • Single tap, double tap and wrist flick gestures
  • Siri powered by Apple Intelligence

Chip

  • S10 chip with 64‑bit dual core processor
  • 4‑core Neural Engine
  • 64GB capacity

Sensors

  • Second-generation optical heart sensor
  • Temperature sensor
  • Compass
  • Always-on altimeter

Display

  • Always-On Retina display with OLED and LTPO
  • Tough Ion-X front glass with 4x crack resistance
  • 1,000 nits peak brightness
  • 2 nits minimum brightness

Audio

  • Speaker
  • Microphone
  • Media playback

Battery

  • All‑day battery life, up to 18 hours of normal use
  • Up to 32 hours in Low Power Mode
  • Up to 7 hours outdoor workout
  • Built‑in rechargeable lithium‑ion battery

Headline specs from Apple's UK tech specs pages, base configuration unless stated.

More Apple Watch

All Apple Watch →
Apple Watch Series 12
Apple Watch Series 12
Apple Watch Ultra 4
Apple Watch Ultra 4