Apple Watch Series 12 GPS 46mm Space Gray Aluminum Case with Navy Blue Sport Band - M/L
An Apple wearable tracked at $439.99 at Amazon, with no separate list price published to measure it against.

Product images supplied by the retailer listing at Walmart
Key features
HRV readings as often as every five minutes, plus background heart rate every five seconds, for stress and recovery insight
Vitals app for overnight metrics, a daily sleep score, menstrual cycle tracking and blood oxygen readings
Analyses recent activity and vitals to help you judge whether to rest or push hard that day
Pacer, Heart Rate Zones and Workout Buddy powered by Apple Intelligence from a nearby iPhone
Detects a hard fall or severe car crash, then can connect you with emergency services and notify your contacts
Up to 24 hours of normal use, and 15 minutes of fast charging gives up to 12 hours
Siri AI handles natural back and forth conversation, and Audio Intelligence catches and summarises what you missed
Aluminum case with Ceramic Shield 2, described as tougher than any smartwatch glass
Compiled from the Walmart listing and the manufacturer's published data
The Apple Watch Series 12 GPS 46mm Aluminum Case with Sport Band is a smartwatch that tracks heart rate, HRV, blood oxygen, sleep, menstrual cycle, and workouts, and includes safety features like fall and crash detection. With no list price published, there is nothing here to call a discount. Stock was not confirmed at Amazon when we last read the page.
Listing dated to end 16 November 2026
Check price at AmazonPrice verified 2 November 2026, 14:28 ET
The Apple Watch Series 12 GPS 46mm Aluminum Case with Sport Band is a smartwatch that tracks heart rate, HRV, blood oxygen, sleep, menstrual cycle, and workouts, and includes safety features like fall and crash detection. It stands out for its frequent heart rate sensing, measuring HRV as often as every five minutes and taking background heart rate readings every five seconds, along with up to 24 hours of battery life and fast charging.
The Apple Watch Series 12 in a 46mm aluminum case suits anyone wanting serious heart, sleep and fitness tracking on the wrist without a daily charging habit.
What the listing puts on the page
The paragraph below is Amazon's own sales copy. We keep it quoted and set apart rather than folded into our text, because marketing prose and a description are not the same thing — and because what it leaves out is as useful as what it claims.
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 seconds. 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. Check your readiness for the day—Know when to rest or put yourself to the test.
What the number is worth
Amazon publishes a single figure for this configuration — $439.99 — and no separate list price beside it. That removes the usual anchor, and it is the honest reason you will find no percentage anywhere on this page. The specification has to justify the money on its own.
The listing carries an end date of 16 November 2026. Retailers pull pages early and without warning, so read that as the outer edge rather than a promise.
The nearest things to it
The closest tracked listings in wearables are Apple Watch Series 12 GPS 42mm Space Gray Aluminum Case with Navy Blue Sport Band - S/M at $389.99 (Amazon) and Apple Watch SE 3 [GPS 44mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band - M/L. Fitness and Sleep Trackers at $279.00 (Amazon). Both undercut it, so the case for paying more has to come from the table below rather than from the price.
These are the nearest listings by price that our tracker currently holds, not a survey of the market. Anything not on sale at one of the six retailers we follow does not appear here at all.
The strongest reason to pick it is the heart health detail, with HRV captured as often as every five minutes and background readings every five seconds.
Wearables · ElectroFinds price desk
Full specifications
| Specification | Value |
|---|---|
| Color | Space Gray Aluminum Case with Navy Blue Sport Band |
| Watch band style | 46mm case + Medium/Large Sport Band |
| Edition | GPS |
| GPS GPS | GPS + Cellular GPS + Cellular |
Source: specification table published on the Walmart listing, read 8 October 2026
Against the alternatives
Best figure in row| Apple Watch Series 12 GPS 46mm Space Gray AluminMJEJ4LS/A | Apple Watch Series 12 GPS 42mm Space Gray AluminMJE74LS/A | Apple Watch SE 3 [GPS 44mm] Smartwatch with MidnMJL94LW/A | |
|---|---|---|---|
| Deal price | $439.99 | $389.99 | $279.00 |
| List price | — | — | — |
| Discount | — | — | — |
| Brand | Apple | Apple | — |
| Model | MJEJ4LS/A | MJE74LS/A | MJL94LW/A |
| Retailer | Amazon | Amazon | Amazon |
| Offer ends | 16 November 2026 | 13 November 2026 | 6 November 2026 |
The nearest tracked listings by price in wearables. Figures are the retailer’s own, collected when each listing was last read.
What works
- 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…
- 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,…
- 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…
- 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…
- 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,…
What to weigh
- Stock was not confirmed at Amazon when the listing was last checked
- Amazon publishes no separate list price for this configuration, so the size of the saving cannot be verified
- The listing is dated to end 16 November 2026
- No buyer rating was published on the listing at the time it was read, so there is no owner feedback to weigh
- Listed at 3 retailers — compare the current page price at each before buying
- ElectroFinds does not test products. Everything above comes from the listing, the manufacturer's published data and generated summaries of them
Video reviews from elsewhere
Not produced by ElectroFinds
Introducing the new Apple Watch Series 12: the most accurate heart rate sensing in a wearable
Apple Watch Series 12 & Ultra 4 Hands-On: What’s New?
Apple Watch Series 12 First Impressions: A Surprisingly Big UpgradeThird-party videos, matched to this model and checked for relevance. ElectroFinds has no relationship with these channels and does not endorse their conclusions.
Common questions
Amazon does not publish a separate list price for this configuration, so there is no percentage to compare against. $439.99 is the figure recorded on the listing when it was last checked.
Apple Watch Series 12 GPS 46mm Space Gray Aluminum Case with Navy Blue Sport… · MJEJ4LS/A · at Amazon
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