
Samsung Watch 5 40mm Bluetooth Smartwatch (Renewed)
Samsung Galaxy Watch 5 40mm puts hospital-grade health tracking on your wrist for less than the price of new.
*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Key Features
Enhanced BioActive Sensor: Improved accuracy for body composition, heart rate, and blood oxygen tracking.
Sapphire Crystal Display: Durable display offers improved scratch resistance for everyday use.
Advanced Sleep Coaching: Tracks sleep stages and provides personalized insights to improve sleep habits.
Comprehensive Fitness Tracking: Supports multiple workouts, activity tracking, and performance monitoring.
Seamless Android Connectivity: Syncs with compatible Android devices for notifications, apps, and calls.
Specifications
Pros & Cons
👍 Pros
- Sapphire crystal display is genuinely more scratch-resistant than standard mineral glass — noticeable after months of daily wear
- BioActive sensor bundles heart rate, SpO2, and body composition into a single curved sensor for more consistent skin contact
- Advanced sleep coaching goes beyond basic stage tracking by delivering actionable, personalized improvement tips
- 16GB of onboard storage means local music playback without your phone nearby
- Compact 40mm case suits smaller wrists without sacrificing core health sensors
👎 Cons
- 284mAh battery in the 40mm is noticeably smaller than the 44mm variant — heavy GPS days will require a mid-day top-up
- Full feature set requires a Samsung Galaxy phone; non-Samsung Android users lose some functionality, and iPhone users can't use it at all
- Renewed unit may not include original Samsung charger — confirm what's in the box before assuming charging accessories match
- Body composition readings require bare skin contact and consistent measurement conditions to be repeatable
- Wear OS app ecosystem is less mature than Apple Watch's, with fewer high-quality third-party apps