Does the Apple Watch SE 3 work with Android phones?

No, the Apple Watch SE 3 requires an iPhone to set up and use. It is not compatible with Android devices.

What is the battery life of the Apple Watch SE 3?

Apple rates the battery for up to 18 hours of all-day use. Fast charging gives up to 8 hours of battery in 15 minutes.

Does the SE 3 have an always-on display?

Yes, the SE 3 is the first SE model with an always-on display, so you can see the time and watch face without raising your wrist.

What health features does the SE 3 include?

It includes temperature sensing for ovulation estimates, sleep apnea notifications, daily sleep score, high/low heart rate alerts, and irregular rhythm notifications. It does not have an ECG or blood oxygen sensor.

Is the 40mm size suitable for small wrists?

Yes, the 40mm case is the smaller option and fits wrists around 130–200mm. The included band is size M/L, which typically fits wrists 150–200mm.

What's in the box with the Apple Watch SE 3?

The box includes the Apple Watch SE 3 with a Sport Band, a fast-charge USB-C cable, and documentation. A power adapter is not included.

Where is the Apple Watch SE 3 (GPS) M/L 40mm, Midnight Blue cheapest?

At Employee Sale, for $349.00, as of our latest check.

Apple Watch SE 3 (GPS) M/L 40mm, Midnight Blue

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$349.00at Employee SaleChecked Nov 11

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What reviewers say

Reviewers and owners appreciate the SE 3's always-on display, fast charging, and solid health features for the price. Some note the battery still needs daily charging and miss advanced sensors like ECG. Overall, it's seen as a strong value for iPhone users.

What people mention

Battery lifeMixedOwners say the 18-hour battery lasts a full day but needs nightly charging; fast charging helps.
DisplayPraisedThe always-on display is frequently praised for making the watch more useful at a glance.
Health featuresPraisedUsers find sleep apnea notifications and temperature sensing valuable, though some miss ECG.
Charging speedPraisedReviewers highlight that 15 minutes of charging provides up to 8 hours of use.
Missing sensorsCriticisedSome reviewers note the absence of ECG and blood oxygen sensors compared to pricier models.

About the Apple Watch SE 3 (GPS) M/L 40mm, Midnight Blue

Apple Watch SE 3 (GPS) is a smartwatch with a 40mm Midnight aluminum case and a Midnight Sport Band in size M/L. It has an Always-On display, so the time and watch face stay visible without raising your wrist.

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

Battery life is 18 hours, and the watch charges up to twice as fast as SE 2, with up to 8 hours of battery in 15 minutes. The GPS model works with your iPhone or Wi-Fi to send texts, take calls, play music and podcasts, use Siri, and show notifications. Safety features include fall and severe car crash detection, which can help connect you with emergency services and notify your emergency contacts. Check In can notify a loved one when you arrive. Apple Watch For Your Kids lets a child call, text, and share location without their own iPhone.

Model

Apple Watch SE 3 (GPS), 2025

Case size

40mm

Case material

Aluminum

Case color

Midnight

Band

Midnight Sport Band

Band size

M/L