Overview

  • Body Composition Analysis
    Get ready to crush your wellness goals with body readings right on your wrist.
  • Advanced Sleep / Continuous SpO2
    Manage your overall sleep quality for a great night’s sleep with an advanced tracker that calculates your sleep score.
  • ECG
    Be smart about your heart with ECG monitoring that gives accurate readings.
  • Fitness / Auto Workout Tracking
    Make the most of every workout with auto workout tracking. Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic group challenges with your friends.
  • VO2 Max / Advanced Run Coaching
    Make the most out of every mile with advanced run coaching and VO2 max readings to assess your cardio levels.
  • Extension of Your Phone
    Stay in stride while staying connected to calls, text and music on the go.
  • Upgraded OS (GSuiteApps)
    Tap into the power and convenience of select Google services and apps on your wrist.
  • Sleek and Lightweight Design
    Look great while crushing every part of your day with the sleek, lightweight and customizable design.
  • Group Challenges
    Get moving and motivated with your family and friends. Join the fitness fun with activities and challenges designed just for groups.
  • Trip Detection
    Get peace of mind while on the go with trip detection that sends an SOS to your emergency contact in the event of a hard fall.
  • Women’s Health
    Galaxy Watch4 helps women build a deeper connection with their bodies and their health by helping to log and track fertility windows, ovulation cycles and periods.
  • Samsung Health
    Samsung Health helps you stay on top of your health, your goals and upcoming fitness needs.
  • Payments
    Tap. Pay. Go. Samsung Pay and Google Pay make quick stops even quicker.
  • SmartThings
    Cool down the house as you cool down from your workout with a tap of your wrist.
  • Ecosystem
    Breeze through your fitness goals by pairing your compatible Galaxy devices and by connecting to your fitness community.

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Specifications

Capacity & configuration

Display Type
AMOLED
Replaceable Battery
No

Dimensions & weight

Product Name
Galaxy Watch6 Aluminum Smartwatch 40mm LTE
Maximum Depth of Water Resistance
164 feet
Maximum Height of Shock Resistance
3 feet
Product Height
1.5 inches
Product Width
1.6 inches
Product Weight
1 ounces
Product Length
30.48 inches
Product Type
Smartwatch

Features

Carrier
GPS, GPS + Cellular
Screen Size
40mm, 44mm
Color
Green - Green, Black - Aluminum - Sport Band - Black, Silver - Aluminum - Sport Band - Silver, Green - Aluminum - Sport Band - Green
Brand
Samsung
Case Size
44mm
Band Color
Green
Rotating Bezel
No
Display Screen
Yes
Touch Screen
Yes
Screen Resolution
480 x 480
Color Display
Yes
Backlit Display
No
Screen Material
Sapphire Crystal Glass
Operating System Compatibility
Wear OS
Operating System
Wear OS
Works With
SmartThings
Voice Assistant Built-in
Bixby
Bluetooth Version
5.2
Wireless Connectivity
Bluetooth
Wireless Standard
N
Built-in Storage
16 gigabytes
GPS Enabled
Yes
Global Positioning
GLONASS
Usage Time
40 hours
Music Player
Yes
Silent Alarm
Yes
Voice Activated
Yes
Languages Supported
English
Metrics Measured
Blood oxygen
Multi-Sport Tracking
Yes
Sensors
Accelerometer
Protective Qualities
Water resistant
Processor Speed
1.4 gigahertz
Graphics Processing Unit (GPU)
Mali-G68
Size
Adjustable
Rechargeable
Yes
Charging Time
75 minutes
Charging Interface(s)
Wireless
Wireless Charging Standard
Qi
Form Factor
Wristwatch
Year of Release
2023
UPC
400064789048, 400064789055, 400065944422

Power & warranty

Model Number
REF-SM-R870NZGAXAA
Model Family
Samsung Galaxy Watch4
Warranty - Parts
90 days
Warranty - Labor
90 Days

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
Dreamerjf7Sep 18, 2025 · Verified purchase ★★★★★

Love my watch - I use this to locate my phone and for my alarm. I depend on it to talk on the ohone to

AnnieOakleyJul 16, 2024 · Verified purchase ★★★★★

Refurbished is a wise, economical choice - It can be a hard choice to purchase something that has been refurbished, but i made the right choice. The watch works perfectly and in good condition. Everything was with the watch including instructions

RichardGJun 29, 2024 · Verified purchase ★★☆☆☆

Realy - It did not come with a band or charger. Had to argue that the box was not taped shut somebody must have taken it out. After push came to sove they got a band and we bought a charger.

FeleciaPMay 14, 2024 · Verified purchase ★★★★★

Green watch is very nice color only my favorite. - I love it cause i talk though message thought it. Time @date@ waether Outside -when cloud or storming out. Your health -heart pressure how mant steps taken a day. Never see nothing like it before. Just beautiful I love it and the color is way to pretty.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat