Samsung

Samsung SM-R500NZKAXAR Galaxy Watch Active Renewed Black

4.2 (1265 reviews)

A slim, swim-ready fitness tracker that auto-detects workouts, monitors your heart rate, and syncs seamlessly with your phone.

$68.44*$219.99Save 68%
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Samsung Galaxy Watch Active (40mm) targets the fitness-conscious wearer who wants a capable health companion that doesn't look or feel like a sport brick on the wrist. At its best, it delivers: automatic workout detection logs your activity without interrupting your warmup routine, real-time heart rate alerts give you a passive health safety net throughout the day, and sleep tracking builds a picture of your rest quality over weeks. It syncs with your phone to surface notifications, music controls, and basic communication features right on your wrist, keeping your phone in your pocket during workouts.

The design is legitimately slim — at 40mm it wears more like a traditional watch than a fitness device, which matters for all-day wearability. The swim-ready 5ATM water resistance means you can move from gym to pool without pausing to remove it. Band swapping is straightforward, giving you flexibility between workouts and everyday wear. As a renewed unit, the hardware is functional, but battery health should be assessed on arrival — lithium batteries are the one component that genuinely degrades with age and charge cycles, and it directly affects how often you'll need to reach for the charger. For Samsung smartphone users, this watch integrates tightly and delivers strong value. For everyone else, verify what features work with your specific phone before purchasing.

Key Features

Track your way to real results - Automatically detects up to six exercises, while tracking up to 39 more, right from your wrist.

Resolve to rest better - Helps you analyze your sleep patterns and encourages you to wind down to keep you refreshed and at your best. Compatible Devices- Samsung Smartphone, Non-Samsung Android Smartphone(Android OS 5.0 and above RAM 1.5GB and above), iOS 9.0 and above iPhone 5 and above

Sends you real-time alerts if ever detecting a high or low heart rate, so you can be more proactive about your heart health.

Expand your Galaxy - Sync with your phone to stream your playlist, get notifications and more, right on your wrist.

Thin. Light. Durable - A thin, lightweight and durable swim-ready design comes in a variety of colors and interchangeable bands.

Lasts for days - Go non-stop with a long-lasting battery that lasts for days on a single charge.

Specifications

Case Size
40mm
Water Resistance
Swim-ready (5ATM)
Health Tracking
Heart rate, sleep analysis, automatic exercise detection (6 types), manual tracking (39 types)
Heart Rate Alerts
Real-time high/low alerts
Compatibility
Samsung smartphones; Android 5.0+ with 1.5GB RAM+; iOS 9.0+ (iPhone 5+)
Connectivity
Bluetooth (phone sync)
Design
Thin, lightweight, interchangeable bands
Condition
Renewed

Pros & Cons

👍 Pros

  • Automatic detection of up to six exercise types means it starts logging your run or swim without requiring you to manually start a workout in the app.
  • The slim, lightweight design doesn't feel bulky during workouts or dress-down casual wear — it sits low on the wrist and doesn't catch on sleeves.
  • Heart rate alerts for abnormally high or low readings add a passive safety layer that goes beyond basic step counting fitness trackers.
  • Sleep analysis tracking helps identify patterns over time — useful for anyone trying to correlate sleep quality with exercise habits.
  • Swim-ready 5ATM water resistance means you don't need to remember to take it off before getting in the pool.

👎 Cons

  • Battery life under real-world conditions with continuous heart rate monitoring falls short of the "days" advertised — heavy users will likely charge every night.
  • Full feature access requires a Samsung smartphone; iPhone and non-Samsung Android users lose a meaningful portion of the functionality they're paying for.
  • The renewed condition means battery health is unknown — actual battery capacity may be reduced from original, limiting daily runtime compared to a new unit.
  • No built-in GPS — outdoor run and cycling routes rely on connected phone GPS, which requires carrying your phone during workouts for location tracking.
  • The 40mm case size suits smaller wrists well but can feel proportionally small on larger wrists where a bigger display would be more readable.

Frequently Asked Questions

It works with both, but with limitations. iPhone users (iOS 9.0 and above, iPhone 5 and above) can use basic fitness tracking and notifications, but Samsung-exclusive features — like Samsung Pay and deeper health integration — are unavailable without a Samsung smartphone. Android users on non-Samsung phones (Android 5.0+, 1.5GB RAM+) get broader compatibility than iPhone users but still miss some Samsung-specific features.
The Galaxy Watch Active has a swim-ready design, meaning it's built to handle pool swimming, not just rain or hand washing. It carries a 5ATM water resistance rating, making it suitable for recreational swimming and showering. It's not rated for deep-water diving or high-velocity water sports.
Battery life varies with usage intensity. With typical daily use — workout tracking, notifications, heart rate monitoring active — expect 1.5 to 2 days between charges. With continuous GPS or intense workout tracking, battery drain accelerates. The "lasts for days" marketing claim applies to lighter use scenarios with some features disabled.
The sensors most relevant to fitness tracking — heart rate, accelerometer, and gyroscope — are solid-state components that don't wear like mechanical parts. A properly renewed unit should maintain full sensor accuracy. The area to verify upon receipt is battery health, as lithium batteries degrade with charge cycles and a worn battery will limit your daily runtime.
Notification display is supported on all compatible devices, but the ability to reply from the watch depends on your phone OS. Samsung smartphone users can compose quick replies. iPhone and non-Samsung Android users typically see notifications but have limited or no reply capability from the watch face.