Apple Watch Series 12 Smartwatch MJED4LS/A

• STAY CLOSER TO YOUR HEART HEALTH—The most accurate heart rate sensing in a wearable, Series 12 measures HRV as often as every five minutes for insights on stress and recovery, and takes background heart rate readings every five seconds.
• A FULL-FEATURED HEALTH TRACKER—Better understand your body with invaluable health insights. View your overnight health metrics with the Vitals app and get a daily sleep score, track your menstrual cycle, and take readings of your blood oxygen.
• CHECK YOUR READINESS FOR THE DAY—Know when to rest or put yourself to the test. The readiness experience helps determine capacity to take on the day by analyzing 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 a nearby iPhone, Series 12 helps stay active, from running to hiking to strength training.
• KEEP HELP CLOSE AT HAND—A smartwatch that puts safety first. Series 12 can detect a hard fall or severe car crash, automatically help connect with emergency services, and notify emergency contacts.
• ENJOY ALL-DAY BATTERY LIFE—With up to 24 hours of normal use. It takes 15 minutes to fast-charge for up to 12 hours of normal use.
• SIRI AI AND AUDIO INTELLIGENCE—Using just voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI. Audio Intelligence helps catch what was missed and summarize conversations with Live Rewind and Siri Recap. 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 have Ceramic Shield 2—which is tougher than any smartwatch glass. Titanium and ceramic cases have a superdurable crack-resistant sapphire crystal display.
• STAY CONNECTED—Series 12 (GPS) works with an iPhone or Wi-Fi to stay connected. Use the smartwatch to send a text, take a call, listen to music, use Siri, and get notifications.

Compatible with iPhone via Wi-Fi and Bluetooth connectivity for notifications, calls, messaging, and Apple Intelligence features.

What is the battery life of the Apple Watch Series 12?

It provides up to 24 hours of normal use on a full charge, and a 15-minute fast charge delivers up to 12 hours of battery life.

What safety features are included?

The watch features fall detection and severe car crash detection, which can automatically contact emergency services and notify emergency contacts.

What health metrics does this watch track?

It tracks heart rate, heart rate variability (HRV), blood oxygen, overnight vitals, sleep quality, and menstrual cycles.

Does the GPS model require an iPhone?

Yes, the GPS model connects to your iPhone or Wi-Fi to send texts, answer calls, and receive notifications.