Watches & wearables / Review roundup

Apple Watch SE 3

2025, 40mm aluminum, GPS; not cellular or Series 11

Apple Watch SE 3 (2025) — manufacturer product image
Image: Image courtesy of Apple

Roundup updated 2026-10-03 · 2 assessment sources

What reviewers found

The essentials for an iPhone owner

The SE 3 covers everyday activity tracking, notifications and an always-on display without requiring the most expensive Apple Watch. It leaves out some advanced health features. Think about charging around sleep tracking, and confirm that any particular health feature you want is supported in your region.

A roundup of published reviews; we haven’t tested this product. How we work

At a glance

Good for

Core Apple Watch use without the flagship price

The catch

iPhone required; fewer advanced features than pricier models

Compare with Apple Watch Series 12 42mm →

Where to buy

Current prices are available at the retailer.Check price at Amazon Product search

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Strengths and limitations

Pros

  • Core Apple Watch features
  • Always-on display

Cons

  • iPhone ecosystem requirement
  • No ECG

In depth

What the reviews support

The always-on display is a useful everyday upgrade to the budget line.

Tom’s GuideTechRadar

What changes the experience

Charging and battery interruptions still matter if you want overnight tracking.

Tom’s GuideTechRadar

Before you buy

Check the exact feature set and regional availability rather than assuming it matches the flagship.

Tom’s GuideTechRadar

Review observations

What reviewers reported in use; these are qualitative observations, not benchmark scores.

Review observation · Reported review observation

Qualitative finding

Tom’s Guide favors the budget model’s everyday upgrades; this does not validate health estimates as diagnoses.

Tom’s Guide

Specifications

Check the configuration: memory, storage and cooling can vary between models.

Hardware & configuration

Selected size
40 mm
Case
Aluminum
Chip
Apple S10
Display
Always-on LTPO OLED
Glass
Ion-X
GPS
Single-band L1
Tom’s GuideTechRadar

Features & compatibility

Bluetooth
5.3
Connection
GPS version; no standalone cellular plan
Battery claim
Up to 18 hours normal use
Low-power claim
Up to 36 hours
Phone ecosystem
Compatible iPhone required
ECG
Not supported
Tom’s GuideTechRadar

Still unknown

  • No independent clinical validation included; wellness readings are estimates.

Published reviews & comparisons

Tom’s Guide · Review ·

Apple Watch SE 3 review ↗

The budget model’s core upgrades, charging and always-on display are useful for iPhone owners.

Test scope

2025 SE 3; core features, charging and value

Publisher group: Future

TechRadar · Review ·

Apple Watch SE 3 review ↗

The improved budget experience omits some premium sensing features. Sizes and connection variants change the purchase.

Test scope

SE 3 sizes, battery claims and feature omissions

Publisher group: Future

Alternatives to consider

ModelChoose it forThe catchCompare
Apple Watch Series 12 42mm3 reviewsFirst-time Apple Watch buyers and owners of much older modelsFrequent charging; Some health features have regional restrictionsCompare →
Samsung Galaxy Watch8 (44mm)2 reviewsAn Android smartwatch with a slim case and bright AMOLED displayFrequent charging and phone-dependent feature restrictionsCompare →
Garmin Forerunner 9703 reviewsFor runners who will use the maps and training tools, rather than simply notifications.Pricey upgrade from a 965; Some metrics require a separate strapCompare →
Garmin Venu 4 (45mm)2 reviewsFitness tracking with longer charging intervals than many app-first watchesNo full-color maps or LTE; a substantial purchaseCompare →