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Samsung Electronics Galaxy Watch 4 Classic 46mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version, Black (Renewed)

What people love (and don’t love)

What people love

  • High-end build quality with stainless steel casing and appealing classic design.
  • Bright, crisp HD AMOLED display that makes watch faces stand out.
  • Feature-rich with comprehensive health tracking including ECG, exercise, and sleep monitoring.
  • Good battery life lasting from over 30 hours up to 3 days depending on usage.
  • Quick charging and smooth Wear OS interface with customizable watch faces.
  • Arrives in like-new, renewed condition with reliable performance and ease of use.

What people don’t love

  • Battery life can be shorter when using all features extensively.
  • Some units show minor signs of wear like slight scratches or generic charger included.
  • Learning curve to customize settings and fully utilize the watch.
  • Does not track sleep apnea.
  • Interface refresh rate can feel slower compared to newer models.

A well-made, feature-packed smartwatch offering classic style and solid performance at a great renewed price point.

Summary based on customer review evidence.

Quick facts

  • Brand: Amazon Renewed
  • Price: USD 64.99
  • Rating: 4.30 (2639 reviews)

The Samsung Galaxy Watch4 Classic 46mm (Renewed) packs popular fitness and wellness tracking tools into a classic round smartwatch design. It’s built on Wear OS and includes GPS for activity tracking, plus advanced sleep tracking features—including continuous SpO2 tracking—to help you better understand your nightly rest.

For workouts, Auto Workout Tracking helps you capture sessions with less manual setup. You can also stay engaged by connecting to live coaching sessions via your smartphone or joining group challenges with friends.

Connectivity options include Wi‑Fi, Bluetooth 5.0, and NFC. Note: this smartwatch is only compatible with Android smartphones (not compatible with Apple iPhones).

  • Body composition analysis readings on your wrist
  • Advanced sleep tracking with continuous SpO2 and sleep score
  • ECG monitoring for on-wrist heart readings
  • Auto workout tracking plus support for coaching and group challenges (via smartphone)
  • Built-in GPS and wireless features: Wi‑Fi, Bluetooth 5.0, and NFC

Specs at a glance: 1.4-inch display, 16GB storage, 1.5GB RAM, 361mAh battery, Bluetooth/Wi‑Fi + LTE connectivity listed, Wear OS.