Compare prices from Amazon, Walmart & Target

ELECTRONICS

Apple Watch Series 12 GPS 42mm

KEY SPECS

ChipS11The same chip as the $774 Ultra 4. The speed gap between this watch and the flagship is zero.
Heart sensinga reading every 5 seconds, HRV every 5 minutesThe most frequent heart tracking Apple has put in a watch — it watches stress and recovery, not just workouts.
Batteryup to 24 hours, 15-min fast charge adds up to 12 hoursA full day of use, and a quarter-hour on the charger buys back half of it.
GlassCeramic Shield 2 on aluminum modelsTougher than any smartwatch glass, Apple says — the aluminum model is no longer the fragile one.
Water resistance50mSwim-proof for the pool and the shower. It is not a dive watch.

WHY THIS PICK

Same S11 chip and the same health sensors as the Ultra 4 at $774.00 — at $389.99 you are not buying a cut-down brain, only a lighter case.

It takes the ECG and blood-oxygen readings the cheaper SE 3 cannot — the full health suite, including the Vitals sleep score and daily readiness.

Amazon is the lowest of the three stores today: $9.01 under Walmart, $10.00 under Target. A small gap, stated honestly — the bigger money decision on this watch is cellular, below.

HONEST NOTE

The three stores sit within $10 of each other on this watch — nobody is running a real sale today, and we will not dress one up. If price is your whole question, the answer is Amazon by $9.01. The real fork is GPS vs cellular: that choice is worth about $340 over two years, and it is priced out in full below.

THE CELLULAR MATH (checked Oct 29, 2026 — plan prices are the common carrier add-on rate; your carrier's page is final)

GPS model — $389.99, no plan needed. Two-year total: $389.99.

GPS + Cellular model — $489.99 (+$100). Watch plan about $10/mo × 24 months = about $240. Two-year total: about $729.99.

The verdict: cellular costs about $340 more over two years. It earns that only if the watch regularly leaves the phone behind — phone-free runs, or a safety line for a parent or a kid. If your iPhone is always in your pocket, GPS is the same watch for $340 less.

+α THE VALUE OPTION

Apple Watch SE 3 GPS 40mm

Apple Watch SE 3 GPS 40mm

$249.99 at Target — $140.00 less (36% less) than the Series 12 above.

See it at Target

MAIN FUNCTIONS

  • Always-On display — new on this SE generation
  • S10 chip with Workout Buddy coaching
  • Fall and crash detection with emergency SOS
  • Sleep score and temperature sensing in the Vitals app
  • 18-hour battery — a 15-minute charge adds up to 8 hours

THE TRADE-OFF

No ECG app and no blood-oxygen app — the two Series 12 health readings you give up. Everything structural — safety alerts, sleep, workouts, always-on face — stays.

WHY SMARTBUYCOMPARE

Same product. Three stores. Three different prices. On this watch the gap is $10 — small, real, and checked today.

Want the same Apple Watch job for $140 less? The +α pick is the Watch SE 3 at Target — you give up the ECG and blood-oxygen readings, nothing else structural.

The compared pick is the lowest checked price we can stand behind — today, that is Amazon at $389.99.