How To Get It
Unavailable
Protection for your Apple Watch
AppleCare+ for Apple Watch available
AppleCare+ not sold separately, must be purchased with a qualifying Apple device at time of checkout
- Great Battery Life—enjoy All-day, 18-hour Battery Life.⁷ Then Charge up to Twice as Fast as Apple Watch SE 2⁷ and Get up to 8 Hours of Battery in Just 15 Minutes.⁹
- GET SMARTER HEALTH INSIGHTS—Apple Watch SE 3 is an advanced health tracker. The smartwatch sends alerts for an irregular heart rhythm, or an unusually high or low heart rate.¹
- A GREAT FITNESS TRACKER—SE 3 can track your workouts in a healthy number of ways—from running and strength training to simply achieving your 10K steps a day
- Always-on Display
Limit 2 per member.
Apple Watch SE 3 is packed with health, fitness, connectivity, and safety essentials—all for a great value. Track your sleep score. Get richer health insights in the Vitals app.1 Stay active with a wide range of workouts. Save time with fast charging.2 See your info at a glance with the Always-On display. And still get all-day, 18-hour battery life.3
- HEALTH ESSENTIALS—Temperature sensing4 enables richer insights in the Vitals app1 and retrospective ovulation estimates. You’ll also get a daily sleep score, sleep apnea notifications,5 and be alerted if you have a high or low heart rate or an irregular rhythm.6
- GREAT BATTERY LIFE—Enjoy all-day, 18-hour battery life.3 Then charge up to twice as fast as SE 27 and get up to 8 hours of battery in just 15 minutes.2
- ALWAYS-ON DISPLAY—Now you can read the time and see the watch face without raising your wrist to wake the display.
- A GREAT FITNESS PARTNER—SE 3 gives you a healthy number of ways to track your workouts. With real-time metrics and Workout Buddy powered by Apple Intelligence from your nearby iPhone,8 you’ll hit your goals like never before.
- STAY CONNECTED—Send a text, take a call, listen to music and podcasts, use Siri, and get notifications. SE 3 (GPS) works with your iPhone or Wi-Fi to keep you connected.
- SAFETY FEATURES—SE 3 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.9 Check In can automatically notify a loved one when you’ve arrived at your destination.
- APPLE WATCH FOR YOUR KIDS—Set up Apple Watch For Your Kids, even if they don’t have their own iPhone.10 So they can call, text, and share their location.
- YOUR WATCH, YOUR WAY—Express yourself with dozens of easily customizable faces and a wide range of bands in different colors, styles, and materials.
Technical specifications
Go to apple.com/watch/compare for complete set.
Legal
Apple Watch SE 3 requires iPhone 11 or later with iOS 26 or later.
¹Irregular rhythm notification requires the latest versions of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AFib).
²The Vitals app is for wellness purposes only and not for medical use.
³Sleep apnea notifications are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. The feature is intended to detect signs of moderate to severe sleep apnea for people 18 years old or older without a diagnosis of sleep apnea.
⁴Requires an Apple Intelligence–enabled iPhone nearby and Bluetooth headphones with device and Siri language set to English. Apple Intelligence is available in beta. Some features may not be available in all regions or languages. For feature and language availability and system requirements, see support.apple.com/en-us/121115.
⁵Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that cellular service is available. Some cellular networks may not accept an emergency call from your Apple Watch if your Apple Watch isn't activated, if it isn't compatible with or configured to operate on a particular cellular network, if isn't set up for cellular service, or if the cellular network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information.
⁶The Cycle Tracking app should not be used for birth control or to diagnose a health condition. The temperature sensing feature is not intended for medical use. Temperature sensing is available only on Apple Watch Series 8 and later, Apple Watch SE 3, and all Apple Watch Ultra models.
⁷Battery life varies by use and configuration. See apple.com/watch/battery for more information.
⁸Testing conducted by Apple in July and August 2025 using preproduction Apple Watch SE 3 (GPS + Cellular) and Apple Watch SE 2 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage, and environmental factors; actual results will vary.
⁹Fast charging is compatible with Apple Watch Series 7 and later, any Apple Watch Ultra model, and Apple Watch SE 3.
| AppleCare+ Available | AppleCare+ Available |
|---|---|
| Band Size | Small/Medium |
| Battery Life Up To | 18 Hours |
| Bluetooth Version | Bluetooth 5.3 |
| Body Metrics Measured | Multiple |
| Brand | Apple |
| Case Size | 40mm |
| Compatible with | Apple iOS |
| Delivery Type | Warehouse Pick-up |
| Display Type | OLED |
| Features | Always-On Display |
| Features | Bluetooth |
| Features | Water Resistant |
| Features | Wi-Fi |
| Model | MEH34LW/A |
| Series | Series SE 3 |
| Watch Features | GPS |
| Watch Type | Activity Tracker |
| Watch Type | Smart Watch |
| Wireless Networking | Wi-Fi 4 |
Warranty
90 Day Return Policy
Standard shipping is via UPS Ground.
Express shipping is via UPS.
Please choose your shipping method at checkout.
An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.
*Delivery is available to Alaska, Hawaii and Puerto Rico; however, an additional Shipping and Handling fee will apply. This fee will be quoted at checkout. Additional transit time may also be required.
If you are shipping this item to the State of California, a California Electronic Waste Recycling fee will apply to your order at checkout.
Costco.com products can be returned to any of our more than 800 Costco warehouses worldwide.
Shop Confidently
We are committed to offering the best value to our members, with a risk-free 100% satisfaction guarantee on your membership and merchandise with some exceptions and limitations*. If you have questions about your membership or products you've purchased at Costco, please visit the membership counter at your local Costco or Contact Customer Service.
Costco will accept returns within 90 days (from the date the member receives the merchandise) for this product.
*Certain items are not available for return or refund or may have limitations on their eligibility for return or refund. View Costco's Return Policy
Costco Technical and Warranty Services for select electronics and consumer goods. For manufacturer warranty information, please contact us.
Compare region updated
0