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Samsung

Samsung Galaxy Watch 4 Classic 42mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version, Black (Renewed)

  • Based on 1,564 reviews
Condition: Refurbished - Excellent
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Availability: Only 7 left in stock, order soon!
Fulfilled by DNCL-TECHZONE
Arrives Friday, May 29
Order within 13 hours and 48 minutes
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Size: 42 mm


Style: Classic


Color: black


Features

  • 1.2 "(30.5mm) w/ Rotating Bezel, Super AMOLED, 396 x 396 pixels (~330 ppi density), 16M Colors, CPU: Dual-Core 1.15GHz, 247mAh Battery, Android Wear OS, One UI Watch 3, Bluetooth, Wi-Fi
  • The Galaxy Watch4 Classic uses red LEDs and infrared rays to calculate your SpO2 levels or the amount of oxygen in your blood.
  • Glass front (Gorilla Glass DX+), MIL-STD-810G compliant, 50m water-resistant (IP68), Compatible with standard 20mm straps, ECG certified, Blood pressure monitor
  • 5 ATM / IP68 The water and dust resistance rating, Military-grade durability, Larger screen but lighter and thinner for more comfort.
  • Compatible with Android Phones Running Android 6.0 and Above. NOT compatible with iOS.

Description

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon- qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

Operating System: Wear OS


Memory Storage Capacity: 16 GB


Special Feature: Accelerometer, Activity Tracker, GPS


Battery Capacity: 247 Milliamp Hours


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Ion


GPS: True


Shape: Round


Screen Size: 1.2 Inches


Operating System: Wear OS


Additional Features: Accelerometer, Activity Tracker, GPS


GPS Geotagging Functionality: True


Band Material Type: Stainless Steel


Case Material Type: Stainless Steel


Water Resistance Level: Water Resistant


Sport Type: Fitness, Running


Human Interface Input: Buttons


Supported Application: GPS


Water Resistance Depth: 50 Meters


Supported Satellite Navigation System: GPS


Controller Type: Android


Metrics Measured: Calories Burned, Distance, Sleep Duration


Shape: Round


Style Name: Bluetooth


Color: Black


Band Color: black


Connectivity Technology: Bluetooth


Wireless Compability: Bluetooth


Wireless Provider: Unlocked


Cellular Technology: 4G


Sim Card Size: eSIM


Communication Feature: Bluetooth


Item Weight: 11.97 g


Item Dimensions: 7 x 4 x 5 inches


Warranty Type: Limited


Waterproof Rating: IP68


Brand: Samsung


Model Name: Galaxy Watch4 Classic


Target Audience: Unisex Adult


Age Range Description: Adult


Model Number: R880


Built-In Media: Charging Cable


Wearable Computer Type: Smart Watch


UPC: 656942444435


Manufacturer: Samsung Electronics


Warranty Description: 90 days limited warranty


Battery Capacity: 247 Milliamp Hours


Battery Cell Type: Lithium Ion


Battery Average Life: 40 Hours


Battery Power: 247 Milliamp Hours


Screen Size: 1.2 Inches


Display Type: AMOLED


Resolution: 396 x 396


Compatible Devices: Smartphone


Compatible Phone Models: Android Devices


Memory Storage Capacity: 16 GB


RAM Memory Installed: 1.5 GB


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 29

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

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
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Looks and Works as New
Looks and works like new. I have the 5 Pro and bought this one to just to put on at night for sleep tracking while the 5 Pro is charging. As it is with any 4 Classic of this size, even brand new out of the box, battery life is pretty abysmal, but that's doesn't have anything to do with this one being "renewed". Wearing it only while sleeping, I get 3 or 4 nights out of a full charge. With that in mind, if I were buying one to wear all day, I'd definitely get the larger Watch 4 Classic since it has a bigger battery and better battery life -- and my 60 year old eyes wouldn't have to squint as much to see the watchface. However, this works great for me for sleep tracking in the same Galaxy Wearable (Wear OS) app that the 5 Pro runs on. ... show more
Reviewed in the United States on October 22, 2023 by Brian D.
    • Great refurbished watch very good seller!
Review Image by TALLONE
Review Image by TALLONE
Review Image by TALLONE
Could not ask for a better refurbished device, although after ordering, I found a lot of negative claims about doing the update to 6. It is pretty demanding, I did not do the update till after adding account and apps, you can do update before by going to setting's, then about, which i didn't do, but mine is working fine so far by doing update after login and app selection. But still had to do restart, make sure ur battery is fully charged 1 amp charger, still battery got hot and had to wait for cool down, You only get charging cable, it is not recommended to use more than 2 amp. charger, ur battery will probably 0% 1 amp is best for this 1st charge. December of 25 is end of updates for this watch, if you care, I don't. Some claim battery would not fully charge, I was lucky. If your phone is Samsung it may go smoother, mine is Pixel 6a I opted for Google play install, but you can go to Samsung for apps, must install manager app which should be automatic when you connect. I would definitely purchase again, Galaxy watch has very good features! Google pixel watch install is much easier. ... show more
Reviewed in the United States on September 2, 2025 by TALLONE
    • Refurbished watch is fantastic [18 months after purchasing]
This has held up against bumps and scrapes and smashes without looking different the entire time I've owned it, battery life is still fantastic, functionality is good, it was helpful for getting around London. Tap to pay works great, the only thing it will not track well is your blood oxygen level. I'm a healthy man in my early 30s and the blood oxygen level is very consistently off. My wife is an accomplished nurse at Mayo Clinic, if my blood oxygen levels were what the watch claims, I'd be blue in the face and she'd be taking me to the emergency department daily and I'd have to be on oxygen tanks all day. All other aspects of the watch have been great. Connection to either wifi or bluetooth is consistent and strong, it reacts quickly, it's comfortable to wear daily. My only complaint is that it does absolutely have to be charged daily, which I'll admit doesn't take long, but it does need to happen if you make full use of the watch. Which is one down-side if you want/need accurate sleep tracking. But that said, the keyboard works great, there are tons of official Samsung watch faces and far more with 3rd party apps that get new faces regularly and look great, all functionality of the watch is very easy to access. You cannot really use this as a mini cellphone if you have literally any expectations of battery life or making long calls, but you can live out your Johnny Quest dreams of having a wrist communicator (so long as your phone is somewhere relatively closeby) ... show more
Reviewed in the United States on November 21, 2024 by Sam
    • Pretty good more for the price
Review Image by Yeuri AJ
Review Image by Yeuri AJ
Review Image by Yeuri AJ
The watch is on really good condition. It charges completely fine, sound and microphone works pretty good, sensors and haptics too. It all worked as is should not complains about the watch.
Reviewed in the United States on March 16, 2026 by Yeuri AJ
    • Rebuilt Samsung is GREAT Value for the $$
To be able to purchase a rebuilt Samsung Watch for the price of other no name brands was great. I have the trust in the Samsung name as I have been purchasing their phones for years. The watch came as if it looked like new and a charger was included. I did order a more decorative band just because I don't care much for the rubber one it comes with. I also downloaded a new watch face that matched the new band. With both of these the watch stands out and looks very fashionable. There are a lot of choices for bands and faces online. I had given up wearing a watch once I started carrying my cellphone. However, having a smart watch that can answer calls tell me if I have new emails or texts and can send them as well. This was a game changer for me. I am very pleased with my purchase. ... show more
Reviewed in the United States on February 21, 2026 by EHess
    • Hopefully The Replacement Works Better
Review Image by Donna Eisner
Not a good first impression. Out of the box, the watch battery was dead. I had to charge it before I could even turn it on. No instructions, so I had to guess how to operate it. It came with the watch and charger, in a box. Nothing else. After charging it, the battery ran low in a few hours. Not a good sign. I'd heard from someone that they let their phone go down to zero charge. After charging it, theirs worked fine. I tried that. But after reaching 100% charge, the watch wouldn't boot up. I kept receiving a message that it couldn't load the Android system. I tried several times, even a factory restart, to no avail. I requested a replacement and have to wait three weeks for it to arrive. I should have just washed my hands of the thing, and demanded a refund. That's what I get for trying to go on the budget plan. I purchased renewed laptops in the past and had great luck. Not so much with watches. Update: Replacement watch arrived less than a week after I requested it. Seems to be functioning well aside from the limited battery life. The first charge lasted less than 18 hours. Hopefully, it last longer, now that the setup and updates are complete. ... show more
Reviewed in the United States on August 21, 2025 by Donna Eisner

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