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Apple Watch Series 12 (GPS + Cellular) 42mm Titanium Case with Natural Milanese Loop - Natural (AT&T) - (2026)

Model: MJGH4LS/A
SKU: 6598037
Sold byBest Buy

About this product

Apple Watch Series 12 is a more powerful health and fitness tracker. Better understand your body with the most accurate heart rate sensing in a wearable, with high-frequency HRV readings for insights on stress and recovery, hypertension notifications, cycle tracking, and sleep score. Stay motivated with readiness, advanced workout metrics and features like Pacer, Heart Rate Zones, and more. And now every day is more effortless with Siri AI and Audio Intelligence.

Features

  • STAY CLOSER TO YOUR HEART HEALTH—The most accurate heart rate sensing in a wearable,¹ Series 12 now measures HRV as often as every five minutes for insights on stress and recovery, and takes background heart rate readings every five second

  • A FULL-FEATURED HEALTH TRACKER—Better understand your body with invaluable health insights. View your overnight health metrics with the Vitals app⁷ and get a daily sleep score, track your menstrual cycle,⁶ and take readings of your blood oxygen.⁸

  • CHECK YOUR READINESS FOR THE DAY—Know when to rest or put yourself to the test. The readiness experience can help you determine your capacity to take on the day by analyzing your recent activity, vitals, and sleep.

  • A POWERFUL FITNESS TRACKER—With advanced metrics and motivating features like Pacer, Heart Rate Zones, and Workout Buddy powered by Apple Intelligence from your nearby iPhone²—Series 12 helps you stay active, from running to hiking to strength training.

  • KEEP HELP CLOSE AT HAND—A smartwatch that puts your safety first. Series 12 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.⁹

  • ENJOY ALL-DAY BATTERY LIFE—With up to 24 hours of normal use so you can do all the things you love for longer.¹⁰ And it only takes 15 minutes to fast-charge for up to 12 hours of normal use.¹¹

  • SIRI AI AND AUDIO INTELLIGENCE—Using just your voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI.³ Audio Intelligence helps catch what you missed and summarize conversations with Live Rewind and Siri Recap.⁴ Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply.

  • BUILT TO LAST—Apple Watch Series 12 aluminum cases now have Ceramic Shield 2—which is tougher than any smartwatch glass. Titanium and ceramic cases have a superdurable crack-resistant sapphire crystal display.

  • THE FREEDOM OF CELLULAR—With just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPods—even without your iPhone.¹²

Specifications

  • Screen Size
    42 millimeters
    Operating System Compatibility
    Apple iOS
    Operating System
    watchOS
    Carrier
    AT&T
    Built-in Storage
    64 gigabytes
    Global Positioning
    GPS, Galileo, GLONASS, QZSS
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Reviews

Rating 4.8 out of 5 stars with 52 reviews

94% would recommend to a friend

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 4 out of 5 stars

    Definitely bigger than the Series 8

    I previously had the Series 8 and I didn’t think the 1mm size difference was going to be super crazy but I definitely noticed a difference. I do like it so far though!

    This review is from Apple Watch Series 12 (GPS + Cellular) 46mm Aluminum Case with Sand Sport Band - M/L - Light Gold - (2026)

    Posted by KoriM

  • Rated 5 out of 5 stars

    Great Product

    My first Apple Watch Fits nice, good battery life. I’d buy it again

    This review is from Apple Watch Series 12 (GPS + Cellular) 42mm Aluminum Case with Black Sport Band - S/M - Black - (2026)

    Posted by LUCASA

  • Rated 5 out of 5 stars

    Good upgrade

    I've been using the Apple Watch Series 12 46mm Titanium with the Natural Milanese Loop, and it has exceeded my expectations. The titanium case feels incredibly premium while remaining surprisingly lightweight and comfortable for all-day wear. The natural finish gives it a sophisticated look that works equally well in business settings and casual environments. The Natural Milanese Loop is one of the standout features. It's elegant, breathable, and highly adjustable, providing a perfect fit throughout the day. The magnetic closure feels secure and makes it easy to put on and remove. Performance is outstanding, with smooth navigation, excellent battery life, and the health and fitness features I rely on daily. The larger 46mm display is bright, sharp, and easy to read both indoors and outdoors. Overall, this is the perfect combination of luxury, functionality, and comfort. If you're looking for a premium smartwatch that looks as good as it performs, this model is absolutely worth it

    This review is from Apple Watch Series 12 (GPS + Cellular) 46mm Titanium Case with Natural Milanese Loop - S/M - Natural - (2026)

    Posted by KARLAL

  • Rated 5 out of 5 stars

    Love IT!!!

    I upgraded to the Apple Watch Series 12 from a Series 9. I am still getting acquainted with the newer health features on the Series 12, but so far love the always visible heart rate. I primarily use the watch the track my cardiovascular health. I'm just beginning a new exercise regimen and plan to use the watch for my fitnes tracking as well. The battery life is good so far lasting me more than 24 hours. I wear the watch all day and sleep with it on, then charge in under 30 minutes in the morning and I'm ready to go for another day. Before I upgraded, I considered an Oura ring for my health monitoring, but went with the Apple Watch as I can get the data in real time rather than having to wait for the data to be downloaded to the app for review. The bronze color is beautiful and a nice change from previous color options.

    This review is from Apple Watch Series 12 (GPS + Cellular) 46mm Aluminum Case with Dark Bronze Milanese Loop - S/M - Dark Bronze - (2026)

    Posted by StacyR

  • Rated 5 out of 5 stars

    Great Upgrade from the Apple Watch 11!

    I upgraded from the Apple Watch 11 to the 12 and am really happy I did! Two things I especially love are the continuous heart rate monitoring and the longer battery life. Both are noticeable improvements that make a difference in everyday use. Very happy with my purchase!

    This review is from Apple Watch Series 12 (GPS + Cellular) 46mm Aluminum Case with Black Sport Band - M/L - Black - (2026)

    Posted by TeamBradley

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