Samsung

Samsung SM-R890NZKCXAA Galaxy Watch 4 Classic 46mm: Health & Fitness

4.6 (3383 reviews)

Elevate Your Lifestyle with Advanced Health and Connectivity Features The Samsung Galaxy Watch 4 Classic is your stylish and smart companion for health and fitness. With its iconic design, advanced health monitoring, and seamless connectivity, this smartwatch helps you stay on top of your goals....

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

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Overview

Elevate Your Lifestyle with Advanced Health and Connectivity Features

The Samsung Galaxy Watch 4 Classic is your stylish and smart companion for health and fitness. With its iconic design, advanced health monitoring, and seamless connectivity, this smartwatch helps you stay on top of your goals. Monitor your body composition, track your sleep, take care of your heart, and enjoy the convenience of Google services right on your wrist.

  • Model: SM-R890NZKCXAA
  • Size: 46mm
  • Operating System: Android
  • Memory: 1.5 GB RAM
  • Storage: 16 GB
  • Connectivity: Bluetooth
  • Features: ECG Monitor, Sleep Tracker, GPS, Fall Detection
  • Water Resistance: 50 meters (ISO 22810:2010)

Key Features

BODY COMPOSITION ANALYSIS: Galaxy Watch4 Classic is the first smartwatch to off body composition data right on your wrist, On your own schedule, now you can get readings on body fat, skeletal muscle, body water, basal metabolic rate, and Body Mass Index

BETTER SLEEP STARTS HERE: Wake up feeling refreshed and recharged with advanced sleep tracking; When you go to bed, your Galaxy Watch4 Classic sleep tracker starts monitoring your sleep and SpO2 levels continuously

BE SMART ABOUT YOUR HEART: Take care of your heart with accurate ECG monitoring and keep an eye on possible atrial fibrillation, a common form of irregular heart rhythm; Share personalized readings with your doctor using the Samsung Health Monitor app on your compatible Galaxy phone

MAKE EVERY WORKOUT COUNT: Get the most out of every exercise session with advanced workout tracking that recognizes 6 popular activities, from running to rowing to swimming, automatically in just 3 minutes, Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic Group Challenges with your friends

GO THE EXTRA MILE: Improve your runs with advanced running coaching technology; VO2 Max readings assess your oxygen levels to manage and track your heart and lung endurance

GOOGLE ON YOUR WRIST: Tap into the power and convenience of select Google services and apps right from your wrist; Pay for coffee; Get directions to the park; Use Bixby or Google Assistant for help on almost any topic; Stream your favorite tunes on YouTube

EXTENSION OF YOUR PHONE: Galaxy Watch4 Classic works as an extension of your phone so you can do more while on the go; Talk, text, stream music and more just by tapping the watch on your wrist

Specifications

Model
Galaxy Watch 4 Classic 46mm
Health Feature 1
Body Composition Analysis (Body Fat, Skeletal Muscle, Body Water, BMR, BMI)
Health Feature 2
Advanced Sleep Tracking (Sleep Patterns, SpO2 levels)
Health Feature 3
Accurate ECG Monitoring (Atrial Fibrillation detection)
Workout Tracking
Advanced workout tracking (recognizes 6 activities automatically)
Running Features
Advanced running coaching technology, VO2 Max readings
Smart Features
Select Google services and apps, Bixby or Google Assistant, YouTube streaming
Phone Integration
Talk, text, stream music
App Integration
Samsung Health Monitor app (for ECG sharing)

Pros & Cons

👍 Pros

  • Offers body composition analysis directly on the wrist, providing data on body fat, skeletal muscle, body water, BMR, and BMI.
  • Features advanced sleep tracking, continuously monitoring sleep patterns and SpO2 levels for better sleep insights.
  • Enables accurate ECG monitoring to keep an eye on possible atrial fibrillation and share readings with a doctor via the Samsung Health Monitor app.
  • Provides advanced workout tracking that automatically recognizes 6 popular activities within 3 minutes, enhancing exercise effectiveness.
  • Includes advanced running coaching technology and VO2 Max readings to assess oxygen levels, aiding in managing heart and lung endurance.
  • Integrates select Google services and apps, allowing for convenient access to features like payments, directions, and streaming music directly from the wrist.
  • Functions as an extension of your phone, enabling calls, texts, and music streaming directly from the watch.

👎 Cons

  • The body composition analysis feature, while innovative, may not be as accurate as professional medical devices for diagnostic purposes.
  • Continuous SpO2 monitoring during sleep can consume battery life more quickly, potentially requiring more frequent charging.
  • The ECG monitoring requires a compatible Galaxy phone and the Samsung Health Monitor app to share personalized readings with a doctor.
  • Automatic workout recognition is limited to 6 popular activities, meaning other specific exercises might require manual tracking.
  • Full utilization of Google services like Google Assistant may depend on a strong connection to a compatible smartphone.
  • The "extension of your phone" feature implies that full functionality may still rely on proximity to or connection with a smartphone.
  • Specific battery life duration is not provided, making it difficult to assess how frequently it will need to be charged with all features active.

Frequently Asked Questions

The Galaxy Watch 4 Classic can measure body composition data, including body fat, skeletal muscle, body water, basal metabolic rate, and Body Mass Index, directly from your wrist.
Yes, it provides advanced sleep tracking that continuously monitors your sleep and SpO2 levels to help you wake up feeling refreshed.
It features accurate ECG monitoring to keep an eye on possible atrial fibrillation, and you can share personalized readings with your doctor using the Samsung Health Monitor app on a compatible Galaxy phone.
The watch offers advanced workout tracking that automatically recognizes 6 popular activities like running, rowing, and swimming in just 3 minutes, helping you maximize your exercise sessions.
Yes, you can tap into select Google services and apps directly from your wrist, including paying for coffee, getting directions, and using Bixby or Google Assistant.
The watch helps improve runs with advanced running coaching technology and assesses oxygen levels through VO2 Max readings to track heart and lung endurance.