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Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
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15-day returns
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This item is eligible for return within 15 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 5 left in stock, order soon!
Arrives
Wednesday, Nov 18
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At a glance
- Condition
- New
- Size
- Large
- Configuration
- Without AppleCare+
- Model
- MJAG4LS/A
- Storage
- 64 GB
- Screen size
- 49 mm
- Dimensions
- 8.43 x 4.65 x 1.5 in
Features 10
- MULTI-DAY BATTERY LIFEUltra 4 is a smartwatch with ultramarathon battery stamina,* perfect for runners to go the distancewith up to 45 hours of Max Extended Workout tracking.* And you can fast-charge in just 15 minutes for up to 18 hours of use.*
- STAY CLOSER TO YOUR HEART HEALTHThe most accurate heart rate sensing in a wearable,* Ultra 4 now measures HRV as often as every five minutes for insights on stress and recovery, and background heart rate readings every five seconds.
- A FULL-FEATURED HEALTH TRACKERBetter understand your body with advanced 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 DAYKnow when to rest or put yourself to the test. The readiness experience gives you one clear score and can help you determine your capacity to take on the day by analyzing your recent activity, vitals, and sleep.
- ULTIMATE RUNNING AND WORKOUT COMPANIONA superior fitness tracker for distance running, triathlons, mountain biking, strength training, and more. Ultra 4 has precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, training load, and more.
- KEEP HELP CLOSE AT HANDA smartwatch that puts your safety first. Ultra 4 can detect a hard fall or severe car crash.* If you dont have cell service or Wi-Fi, built-in satellite communications let you text emergency services to get help.*
- SIRI AI AND AUDIO INTELLIGENCEUsing just your voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI.* Audio Intelligence helps catch what you 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.
- RUGGED AND READY TO GOUltra 4 is built for extreme environments with a tough titanium case and a strong sapphire crystal display. Water resistant up to 100m, this smartwatch is great for swimmers, divers, and fans of high-speed water sports.*
- THE FREEDOM OF CELLULARWith just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPodseven without your iPhone.*
- LEGAL DISCLAIMERSThis is a summary of the main product features. See below to learn more.
Specs 14
| Operating System | watchos |
|---|---|
| Memory Storage Capacity | 64 GB |
| Special Feature | Activity Tracker, Cycle Tracking, GPS, Heart Rate Monitor |
| Connectivity Technology | 5G and LTE, Cellular |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Ion |
| GPS | Built-in GPS |
| Shape | Rectangular |
| Screen Size | 49 millimeters |
| Brand | Apple |
| Product Dimensions | 8.43 x 4.65 x 1.5 inches |
| Item Weight | 15.2 ounces |
| Manufacturer | Apple |
| Item model number | MJAG4LS/A |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 18
Yes, absolutely! You may return this product for a full refund within 15 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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