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Best Used Samsung Galaxy Watch 4 Deals Today

AI-curated top picks from hundreds of eBay listings. Updated daily with verified sellers and transparent pricing.

Top Picks Today

Updated: Apr 24, 2026

Product Image Samsung Galaxy Watch 4 Classic 42/44mm WiFi + Bluetooth + LTE Unlocked Very Good
#1

Samsung Galaxy Watch 4 Classic 42/44mm WiFi + Bluetooth + LTE Unlocked Very Good

Very Good - Refurbished

$42.99
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Why we picked it #1

This listing stands out because you'll get a Galaxy Watch 4 Classic in 'Very Good - Refurbished' shape, with WiFi, Bluetooth, and—crucially—LTE, meaning you can stay connected even without your phone. It's all wrapped into a great value for just over $40, and you get the authentic Samsung charger, so no surprise expenses. The Classic model also brings that satisfying rotating bezel and larger 46mm size, which gives you a premium feel and bigger display. Compared to other options, you’re getting extra versatility (thanks to LTE) and no big compromises—the condition is top tier among used options. The only thing you’re not told is the exact battery health, but that's pretty standard for all these refurbished listings. Overall, you’re getting more features for your money than the rest, without having to settle for a lesser condition or missing accessories. If you want the best total package—value, features, and reassurance—this is the sweet spot.

Product Image Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Black - Very Good
#2

Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Black - Very Good

Very Good - Refurbished

$43.99
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Why we picked it #2

Here, you’re getting the 46mm Galaxy Watch 4 Classic in 'Very Good - Refurbished' condition—a premium feel at a price that’s still super competitive. The stainless steel case and the authentic Samsung charger are nice touches, and it’ll ship quickly with tracking so you’re not left waiting or wondering. The obvious difference from the very top pick is that this one doesn’t specify LTE, so you’re looking at WiFi/Bluetooth only, but for most needs that’s plenty. Compared to the alternatives, you’re not giving up on condition, size, or key features—the rotating bezel and all the great sensors (body composition, ECG, etc.) are here. The only real tradeoff is that it arrives in a simple generic box, but if you don’t need fancy packaging, this is a reliable, practical choice that lands you a stylish, feature-rich smartwatch without any headaches.

Product Image Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Silver - Very Good
#3

Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Silver - Very Good

Very Good - Refurbished

$43.99
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Why we picked it #3

With this listing, you're scoring a 46mm Galaxy Watch 4 Classic in 'Very Good - Refurbished' condition—so it's going to look and feel close to new, with all the Classic’s bells and whistles. The price is great for the big, premium stainless steel model, and you’re also getting an authentic charger included (unlike some lower-priced options). This one comes in a plain white box, so packaging’s nothing fancy, but the essentials are here. Like the previous option, connectivity details aren’t spelled out beyond standard features, so if LTE is a must, check higher in the rankings. Still, it measures up beautifully: you’re getting flagship-level features — fancy rotating bezel, full Wear OS app support — at a price that undercuts what you’d pay for a newer model or lesser refurb elsewhere. Fast shipping means you won't wait long to get started. If you want something that feels luxe and reliable, this is a safe, high-value pick.

Product Image Samsung Galaxy Watch 4 Classic 42/44mm WiFi + Bluetooth + LTE Unlocked - Good
#4

Samsung Galaxy Watch 4 Classic 42/44mm WiFi + Bluetooth + LTE Unlocked - Good

Good - Refurbished

$40.99
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Why we picked it #4

This is the budget-friendly route to the 46mm Galaxy Watch 4 Classic with WiFi and Bluetooth. It’s 'Good - Refurbished,' so you could see a few signs of previous use, but it's still professionally checked out and comes with the authentic Samsung charger. For under $41, you’re getting nearly everything the top picks offer—large display, rotating bezel, all the key health tracking features—just with a bit more visible wear. The big tradeoff here is condition: if you’re okay with minor scuffs in exchange for real savings, this is a clever value move. You don’t get LTE like you would with the very top pick, so if having your watch fully independent of your phone matters, you might want to look higher. But for daily use—notifications, health tracking, apps — you’re giving up very little and putting some dollars back in your pocket. A smart pick if you want low cost and authentic accessories.

Product Image Samsung Galaxy Watch4 SM-R870 Bluetooth/GPS/WiFi SmartWatch 44mm - Black SR
#5

Samsung Galaxy Watch4 SM-R870 Bluetooth/GPS/WiFi SmartWatch 44mm - Black SR

Very Good - Refurbished

$49.95
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Why we picked it #5

This listing offers you the 44mm Galaxy Watch 4 (not the Classic, so no rotating bezel), in 'Very Good - Refurbished' condition with WiFi and Bluetooth. You’re paying a bit more than the top ranked choices, but you’re buying from a highly rated, top-tier seller and you get the peace of mind of a 1-year Allstate warranty—something none of the higher-ranked options can promise. The watch comes in a generic box, and while the charger situation isn’t clear, everything else suggests a safe, no-risk experience. You’re trading the Classic’s premium stainless steel and bezel for something lighter and more casual—but still getting Wear OS, body composition, ECG, and all the real benefits of this product generation. If condition and warranty outweigh metal or styling for you, this has real appeal. Just know you could pay less for a Classic, but not with the same warranty coverage.

Product Image Samsung Galaxy Watch 4 40mm GPS + WiFi + Bluetooth R860 Smart Watch - Good
#6

Samsung Galaxy Watch 4 40mm GPS + WiFi + Bluetooth R860 Smart Watch - Good

Good - Refurbished

$40.99
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Why we picked it #6

This is your path into the Galaxy Watch 4 for the lowest price while sticking with a seller-refurbished option. You get the 40mm version in 'Good - Refurbished' condition, so expect some cosmetic blemishes—though it’s tested and working well. The price is as low as it gets for a refurb, and you do get the authentic Samsung charger included, plus quick shipping with tracking so you’re not left in the dark. Where you’re making a tradeoff is both size (this is the smallest model, better suited if you want a lighter or lower-profile fit) and overall polish—don’t expect it to pass for new up-close. Compared to the top picks, you’re missing out on the Classic model’s stainless steel and rotating bezel, plus LTE, but for everyday smartwatch features—apps, health, notifications—it’s still a solid performer. This one is ideal if you want a dependable Galaxy Watch at the lowest possible entry point and don’t mind some visible history.

Product Image Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Black -Very  Good
#7

Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Black -Very Good

Used

$29.99
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Why we picked it #7

This option gives you the lowest price of the whole lineup—by a wide margin. You get the big, premium 46mm Classic model, which means all the top-end features, but the watch is not refurbished—it's simply 'Used.' That means there could be more signs of previous wear and tear, and there's a big catch: no band and no charger included. If you already have Galaxy Watch accessories or don’t mind buying your own, this is an amazing deal on hardware. The seller is very trustworthy, with excellent feedback and promises fast shipping, so you’re not rolling the dice on reliability. Still, what you save on price, you may end up spending on replacements. Compared to similarly priced, refurbished options (like listing #4), you sacrifice accessories and a guaranteed refresh for a lower starter price. If you're a DIY type or want the lowest-cost route into the Classic, it can make sense—just budget for a quality band and charger.

Product Image Samsung Galaxy Watch 4 40mm Aluminum Smartwatch SM-R860 Black Band - Very Good
#8

Samsung Galaxy Watch 4 40mm Aluminum Smartwatch SM-R860 Black Band - Very Good

Very Good - Refurbished

$43.99
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Why we picked it #8

With this listing, you’ll be getting a 40mm Galaxy Watch 4 in 'Very Good - Refurbished' condition—so it should look and work almost like new. It’s a smaller, more lightweight version, making it perfect if you want a watch that won’t feel bulky on your wrist. An authentic Samsung charger is included, so you won’t have to hunt down extras, and you have the assurance of a return policy that lets you send it back for any reason, making this one a bit safer to try. The catch is that you pay nearly as much as for some Classic models that offer the rotating bezel and stainless steel, so if that’s a priority, you might find better value higher up. This one strikes a nice balance between reassurance, low profile, and all the headline features—ECG, body composition, Wear OS apps—just in a more compact package. A good pick if you want a smaller watch and peace of mind.

Product Image Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Silver - Good
#9

Samsung Galaxy Watch 4 Classic 46mm Stainless Steel SM-R890 Silver - Good

Good - Refurbished

$40.99
View on eBay

Why we picked it #9

With this deal, you’re landing the 46mm Classic model in 'Good - Refurbished' condition, so it’s checked out, but may show some signs of wear compared to the 'Very Good' listings higher up. The savings are decent here—just a bit less than top picks—and you’re getting the same big display, long feature list, and classic rotating bezel for less than the cost of most smaller, newer-model devices. The charger is not explicitly included, and packaging may be basic, so double check what’s in the box. Quick shipping with tracking is a nice touch so you’re not left waiting. If you’re willing to accept some cosmetic history for a lower price, this gets you flagship feel and function without paying full freight. If flawless aesthetics matter, you’ll want to stay with 'Very Good' condition, but for most folks, this balances price and features really well.

Product Image GENUINE Samsung Galaxy *Watch 4* 40mm Silver Aluminum.WORKING/White
#10

GENUINE Samsung Galaxy *Watch 4* 40mm Silver Aluminum.WORKING/White

Used

$38.99
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Why we picked it #10

This listing is about the most affordable way to get a genuine 40mm Galaxy Watch 4 that works. The watch is listed as simply 'Used' (not refurbished) but still comes with the official Samsung charger, which saves you another purchase. It’s small and lightweight, making it easy to wear all day. The price is cheaper than most refurbs, though only by a few bucks, so you’re really seeing the tradeoff in condition—expect more visible wear, maybe on the band or case. There's no info on whether packaging is original, but you do get the core smartwatch experience with health sensors, notifications, and access to apps. If you just want to dip your toes into the Galaxy Watch world without spending more and don’t mind signs of previous use, this is a perfectly serviceable starter—just know you could pay a little extra and get one in better cosmetic shape with a warranty elsewhere.

Our AI Expert Finds the Best Samsung Galaxy Watch 4 Deals, Every Day

Every day, our AI analyzes hundreds of Samsung Galaxy Watch 4 listings across major resellers to surface the truly best deals — not just the cheapest.

What Makes Our AI-Powered Rankings Different

Most deal sites sort by price and call it a day. We go deeper. Our AI evaluates every listing across multiple dimensions:

💰 Smart Value Analysis

We compare specs, condition, and features against the asking price — not just looking for cheap, but for worth it.

✅ Condition Intelligence

Refurb grade, cosmetic notes, battery health, included accessories — we read between the lines so you know exactly what you're getting.

🛡️ Seller Trust Score

Feedback ratings, return policies, warranty coverage — we favor sellers with a proven track record of keeping buyers happy.

⚠️ Risk Detection

Missing details, vague descriptions, or red flags? Our AI catches what's not said and adjusts the ranking accordingly.

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Every listing gets the same rigorous analysis. Our scoring system weighs dozens of real-world signals — from price-to-spec ratios to seller reputation — to produce a single, transparent ranking.

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Samsung Galaxy Watch 4

Samsung Galaxy Watch 4: Why Buy Used?

The Galaxy Watch 4 is a landmark smartwatch — it was the first Samsung Galaxy Watch to abandon Samsung's proprietary Tizen OS and move to Wear OS 3.0, co-developed with Google. That single change unlocked the full Google Play Store, bringing Spotify, Google Maps, Strava, and hundreds of other third-party apps to a Samsung smartwatch for the first time. Released August 2021, it remains a capable health-tracking watch at used prices that reflect four years of depreciation.

Available in standard (40mm, 44mm) and Classic (42mm, 46mm with rotating bezel) variants, the Galaxy Watch 4 covers a range of styles and preferences.

What Makes the Galaxy Watch 4 a Great Choice

  • First Galaxy Watch on Wear OS — Historically significant. The move from Tizen to Wear OS 3.0 was a platform shift that opened the full Google Play Store ecosystem. Google Maps navigation on your wrist, Spotify offline downloads, and hundreds of fitness apps — none of this was possible on the Tizen-based Galaxy Watch 3.
  • BioActive Sensor with body composition — The BioActive Sensor introduced body composition analysis (body fat %, skeletal muscle mass, body water) to the Galaxy Watch lineup. At launch in 2021, comprehensive body composition analysis on a consumer smartwatch was relatively rare. This feature still sets the Watch 4 apart from many competitors.
  • ECG + SpO2 + Continuous HR — Full cardiovascular monitoring suite. ECG requires a Samsung Galaxy phone; SpO2 and heart rate work with any Android.
  • Sleep tracking — Detailed sleep stage analysis (light, deep, REM) with a sleep score. Samsung Health provides actionable sleep insights.
  • Classic variant with rotating bezel — The physical stainless steel rotating bezel on the Classic 42mm and 46mm is the most tactile, natural navigation method on any round smartwatch. Scroll through notifications, set timers, and dismiss alerts with a satisfying physical click — no touchscreen required.
  • IP68 + 5ATM + MIL-STD-810G — Swimproof to 50 meters. Military-grade durability for drops, temperature extremes, and vibration.
  • Full Wear OS + Google Play — Spotify, Google Maps, Strava, and more. Samsung Health remains the primary health dashboard alongside Google Health Connect integration.
  • 20mm interchangeable bands — Any standard 20mm band fits the standard variant.

Standard vs Classic: Which to Choose

Standard (40mm/44mm) Classic (42mm/46mm)
Navigation Touchscreen Physical rotating bezel + touchscreen
Bezel material Aluminum Stainless steel
Look Sports/casual Traditional watch
Battery 247mAh (40mm) / 361mAh (44mm) 247mAh (42mm) / 361mAh (46mm)
Launch price $250-280 $350-380

Choose the Classic if you want the rotating bezel and a more traditional watch aesthetic. Choose the standard if you prefer a lighter, sportier look at a lower used price.

Android Compatibility Caveat

The Galaxy Watch 4 pairs with any Android 6.0+ phone, but ECG and body composition measurements require a Samsung Galaxy phone. Non-Samsung Android users (Pixel, OnePlus, etc.) will have access to heart rate, GPS, SpO2, sleep tracking, and workout tracking — but not ECG or body composition. This is a software-level restriction Samsung enforces via the Galaxy Wearable app.

Smart Tips for Buying Used

  • Confirm Samsung account is removed — Most critical check. A watch linked to the previous owner's Samsung account is completely unusable. Verify "factory reset" or "Samsung account removed" before purchasing.
  • Check charging cradle is included — Galaxy Watch 4 uses a proprietary magnetic wireless cradle. NOT USB-C direct. Missing cradle = $20-40 to replace.
  • Battery health matters more on Watch 4 — At ~4 years old, the smaller 40mm (247mAh) and Classic 42mm variants may show meaningful battery degradation. A worn battery on a small capacity watch significantly reduces daily battery life. Prefer 44mm or Classic 46mm variants; ask about battery health if the seller can provide it.
  • Test the rotating bezel on Classic units — The physical stainless steel bezel should rotate smoothly with tactile clicks. Grit and debris can accumulate over 4 years; while rarely a failure, it's worth confirming.
  • Inspect band condition — Silicone bands from 2021 may show significant wear, cracking, or discoloration. Budget for replacement.
  • LTE vs Wi-Fi — LTE variants allow independent operation. On a 4-year-old watch, confirm LTE service is still available with your carrier (LTE band compatibility varies).

Frequently Asked Questions

Is the Samsung Galaxy Watch 4 worth buying used in 2026?

Yes, at the right price. The Galaxy Watch 4 is still capable for everyday health tracking — continuous heart rate, ECG, body composition, SpO2, sleep tracking, and workout tracking. The full Wear OS + Google Play ecosystem means third-party apps work. The key consideration at ~4 years old is battery health — especially on the 40mm (247mAh) and Classic 42mm, where degradation meaningfully impacts daily use. Prioritize 44mm or Classic 46mm variants. Confirm Samsung account removal and charger inclusion before purchasing.

What makes the Galaxy Watch 4 historically significant?

The Galaxy Watch 4 was the first Samsung Galaxy Watch to run Wear OS instead of Samsung's proprietary Tizen OS. Before this, Samsung's watches were largely isolated from the broader app ecosystem — limited to apps in the Samsung Galaxy Store. The switch to Wear OS (co-developed with Google for this device) immediately opened access to the Google Play Store, enabling Spotify native app, Google Maps turn-by-turn navigation, Strava, and hundreds of other apps. This was a fundamental platform shift for Samsung's smartwatch lineup.

What is the difference between the Galaxy Watch 4 standard and Classic?

The Classic variant adds:

  • Physical rotating stainless steel bezel — Arguably the best navigation method on any round smartwatch. Rotate to scroll; no touchscreen needed.
  • Stainless steel case — vs aluminum on the standard.
  • Traditional watch aesthetic — Looks more like a dress watch than a fitness tracker.
  • Size options — Classic comes in 42mm and 46mm (vs 40mm and 44mm for standard).

Battery capacity is the same for equivalent sizes (247mAh for small, 361mAh for large). The Classic launched at $100+ premium over the standard. On the used market, the Classic often carries a $20-50 premium for the rotating bezel.

Does the Galaxy Watch 4 work with iPhones?

No. Galaxy Watch 4 requires Android 6.0 or higher. It does not work with iPhones. If you use an iPhone, the Galaxy Watch 4 is not compatible.

What body composition measurements does the Galaxy Watch 4 provide?

Using bioelectrical impedance analysis (BIA), the BioActive Sensor estimates:

  • Body fat percentage
  • Skeletal muscle mass
  • Body water percentage
  • Basal metabolic rate (BMR)

The measurement takes about 15 seconds and requires two fingers touching the sensor contacts. The results are estimates — accurate enough for tracking trends over time, not for clinical precision. This feature requires a Samsung Galaxy phone to function. Non-Samsung Android users cannot access body composition measurements.

What is the battery life on the Galaxy Watch 5 [sic] Watch 4?

Battery life varies by variant and usage:

  • 40mm standard / 42mm Classic — 247mAh. Roughly 30-40 hours with typical use (AOD off, moderate notifications, daily workout tracking). At 4 years old, degraded batteries may not last a full day.
  • 44mm standard / 46mm Classic — 361mAh. Roughly 40-50 hours. More resilient to age-related degradation.

Always-on display (AOD) significantly reduces battery life on any variant. For used Watch 4 purchases, the 44mm or Classic 46mm variants are strongly preferred for their larger battery headroom.

How does the Galaxy Watch 4 compare to the Galaxy Watch 5?

Key differences where Watch 5 wins:

  • Skin temperature sensor — Watch 4 does not have one; Watch 5 does.
  • Battery capacity — Watch 5 has larger batteries (284/410mAh vs 247/361mAh).
  • Display brightness — Watch 5 peaks at 1000 nits vs Watch 4's 500 nits. Significantly better outdoor readability.
  • Software — Watch 5 runs Wear OS 3.5 vs Watch 4's 3.0.
  • Durability — Watch 5 is MIL-STD-810H vs Watch 4's MIL-STD-810G.

Where Watch 4 has an edge:

  • Classic variant — Watch 4 Classic has the rotating bezel; Watch 5 dropped it entirely (it returned with Watch 6).
  • Price — At ~4 years old, Watch 4 is cheaper on the used market.

Same chip (Exynos W920) and RAM (1.5GB) in both.