What is new in the Apple Watch SE 3 compared with the SE 2?

The SE 3 adds an always-on display and a newer chip for faster performance. The core health and safety features carry over from the SE 2.

Does the SE 3 have an ECG or blood oxygen sensor?

No. Those sensors are reserved for the Series 11 and Ultra models. The SE 3 tracks heart rate, sleep, and workouts.

Can I make calls without my iPhone?

This is the GPS model, so it needs your iPhone nearby for calls and messages. A cellular version is sold separately.

The watch case, a Sport Band, and a 1m magnetic charging cable. A power adapter is not included.

Is the 40mm case a good size for most wrists?

The 40mm case suits smaller wrists and is the more compact of the two SE sizes. The 44mm version gives a larger screen.

Does it work with Android phones?

No. The Apple Watch requires an iPhone to set up and use.

Apple Watch SE 3 40mm Starlight Aluminum Case GPS Starlight Sport Band

Q: Where is the Apple Watch SE 3 40mm Starlight Aluminum Case GPS Starlight Sport Band cheapest?

At Bargain Outlet & More, for $149.99, as of our latest check.

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$149.99at Bargain Outlet & MoreChecked Nov 8

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What reviewers say

Owners of the SE line generally call it the best value Apple Watch, praising the smooth performance and the health and safety features for the money. The most common complaints are the missing sensors and the smaller display compared with the pricier models.

What people mention

ValuePraisedOwners say it delivers most of the Apple Watch experience for far less than the flagship models.
DisplayMixedThe always-on screen is welcome, but some find the 40mm panel small compared with the Series 11.
Health sensorsCriticisedBuyers note the absence of ECG and blood oxygen sensors that the pricier models include.
BatteryCriticisedReviewers say it still needs charging roughly every day, like other Apple Watches.
Safety featuresPraisedFall and crash detection with emergency calling are singled out as reassuring for families.

About the Apple Watch SE 3 40mm Starlight Aluminum Case GPS Starlight Sport Band

The Apple Watch SE 3 (GPS) is a smartwatch with a 40mm Starlight aluminum case and a Starlight Sport Band in size S/M. It tracks health, fitness and sleep, and it keeps you connected to your iPhone or Wi-Fi.

Temperature sensing supports richer insights in the Vitals app and retrospective ovulation estimates. The watch gives a daily sleep score and sleep apnea notifications. It alerts you to a high or low heart rate or an irregular rhythm. For workouts, it shows real-time metrics, and Workout Buddy, powered by Apple Intelligence, works from a nearby iPhone.

The Always-On display shows the time and watch face without raising your wrist. Battery life is 18 hours. Charging is up to twice as fast as SE 2, and 15 minutes gives up to 8 hours of battery. Fall detection and severe car crash detection can connect you with emergency services and notify your emergency contacts. Check In can notify a loved one when you arrive at your destination.

Brand

Apple

Model

Apple Watch SE 3 (GPS), MEH34LW/A

Series

Release year

2025

Case

40mm Starlight aluminum

Band

Starlight Sport Band, S/M

Connectivity