Best Withings Black Smartwatches: 2 Spec-Based Picks
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Finding the best Withings black smartwatches requires looking at the data, not just the marketing. We compared 2 models based on the specifications published on the listings. The Withings Scanwatch Light 37mm leads because its 1.6 ounce weight and 37 mm display offer superior comfort for smaller wrists. This guide helps you decide which device matches your wrist size and health tracking needs.
Match the case size to your wrist
Choose the 37mm model if you want a lighter, compact fit for smaller wrists. Select the 38mm version if you need advanced health tracking like ECG and SpO2. The larger case supports more clinical metrics. Both options feature black finishes and hybrid displays. Pick the size that fits your wrist comfortably first.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Withings Scanwatch Light 37mm Best overall | smaller wrists and lightweight comfort | |
| 2 | Withings ScanWatch 2 38mm Hybrid Best women | Health monitoring and long battery life |
The best fit for you
- You want the most compact model on the list – Withings Scanwatch Light 37mm – Its 37 mm case and 1.6 ounce weight offer a lightweight fit for smaller wrists.
- You prioritize clinical health metrics like ECG and SpO2 – Withings ScanWatch 2 38mm Hybrid – This model includes ECG and SpO2 sensors alongside sleep tracking for comprehensive health monitoring.
- You need a hybrid display with long battery life – Withings ScanWatch 2 38mm Hybrid – The ScanWatch 2 features a hybrid interface designed for extended usage between charges.
Withings Scanwatch Light 37mm
Best for: smaller wrists and lightweight comfort
- Color
- Black
- Case Size
- 37 mm
- Display Type
- Hybrid
- Connectivity
- Bluetooth, Connected GPS
- Tracking Features
- Heart Rate Monitoring
- Compatibility
- Android, iOS
This hybrid smartwatch offers a 37 mm case and Bluetooth connectivity for tracking your daily activity. It provides 24/7 heart rate monitoring and tracks over 40 activities using connected GPS. The device also includes a menstrual cycle guide and detailed sleep insights. It suits users who prefer a smaller 37 mm display and a lightweight 1.6-ounce build for comfortable all-day wear.
- 37 mm hybrid display
- 24/7 heart rate monitoring
- Tracks 40+ activities
- Lightweight 1.6 ounces
- 37 mm case is smaller than standard 40 mm options
- 1.6 ounce weight may feel less substantial than heavier models
- You prefer a smaller 37 mm case size
- You want a lightweight 1.6 ounce watch
- You need heart rate tracking with connected GPS
- You require a larger 40 mm or bigger display
- You want a built-in GPS instead of connected GPS
- You prefer a heavier, more substantial build
Verdict: Withings ScanWatch Light 37mm Black fits users who prioritize a compact 37 mm hybrid display and a lightweight 1.6 ounce profile for comfortable daily wear.
Withings ScanWatch 2 38mm Hybrid
Best for: Health monitoring and long battery life
- Color
- Black
- Case Size
- 38mm
- Battery Life
- Up to 35 days
- Display Type
- Hybrid
- Case Material
- Stainless steel
- Target Audience
- Women
The Withings ScanWatch 2 is a hybrid smartwatch designed for women, featuring a 38mm stainless steel case and sapphire glass. It offers up to 35 days of battery life and includes medical-grade ECG, SpO2, and temperature monitoring. The device tracks sleep stages and over 40 sports. It connects to Android and iOS via the Withings App, providing continuous health insights without frequent charging.
- Up to 35 days of battery life
- 30-second medical-grade ECG monitoring
- Continuous heart rate tracking with AFib detection
- Stainless steel case with sapphire glass durability
- Tracks sleep stages and over 40 sports
- Hybrid display lacks a full touchscreen interface
- 38mm case size is smaller than standard 42mm options
- Weight of 1.94 ounces may feel substantial on small wrists
- You want a watch that lasts weeks on a single charge
- You need medical-grade ECG and SpO2 monitoring
- You prefer a classic analog look with digital health data
- You require a full-color touchscreen display
- You need a larger 42mm case size
- You prefer a lightweight plastic build
Verdict: Withings ScanWatch 2 Women's 38mm suits women who prioritize long battery life and clinical health metrics over a full touchscreen experience.
Specifications side by side
| Spec | Withings Scanwatch Light 37mm | Withings ScanWatch 2 38mm Hybrid |
|---|---|---|
| Case Size | 37 mm | 38mm |
| Battery Life | – | Up to 35 days |
| Display Type | Hybrid | Hybrid |
| Connectivity | Bluetooth, Connected GPS | – |
| Case Material | – | Stainless steel |
| Target Audience | – | Women |
| Features | – | Sleep Tracking, SpO2, ECG |
| Color | Black | Black |
| Tracking Features | Heart Rate Monitoring | – |
| Compatibility | Android, iOS | Android, iOS |
| Water Resistance | – | Waterproof |
| Tracked Metrics | Heart Rate | – |
| Dimensions | 9.41 × 1.5 × 0.39 inches | 9.45 × 1.61 × 0.51 inches |
| Weight | 1.6 ounces | 1.94 ounces |
| Size | 37 mm | 38mm |
| Model | HWA11-model 5-All-Int | HWA10-model 1-All-Int |
How to choose the right Withings black smartwatch
Check your wrist size
Select the case diameter based on your wrist circumference. The Withings Scanwatch Light 37mm features a 37 mm display and measures 1.5 inches wide. This compact profile suits smaller wrists and users who prefer a subtle look. The ScanWatch 2 38mm offers a 38 mm case and is 1.61 inches wide. Choose the larger size if you have a broader wrist or want a more visible interface. The correct fit ensures comfort during all daily activities and sleep tracking sessions.
Evaluate weight for comfort
Consider the total weight if you wear your device for long periods. The Scanwatch Light 37mm weighs only 1.6 ounces. This light profile reduces fatigue and feels unobtrusive on the wrist. The ScanWatch 2 38mm is slightly heavier at 1.94 ounces. The extra mass accommodates additional sensors and a more robust build. If you prioritize lightweight comfort for sleep or exercise, the lighter model is the better choice. Heavier models may feel more substantial during intense workouts.
Review health tracking features
Identify which health metrics matter most to you. The ScanWatch 2 includes ECG and SpO2 sensors alongside sleep tracking. These features provide clinical-grade data for heart rhythm and blood oxygen levels. The Scanwatch Light 37mm focuses on heart rate monitoring. It tracks your pulse without the extra sensors found in the higher-tier model. If you need comprehensive health insights, choose the model with ECG. For basic activity and heart rate data, the lighter option is sufficient.
Confirm device compatibility
Ensure the smartwatch works with your smartphone. Both models support Android and iOS devices. This broad compatibility allows you to sync data regardless of your phone brand. You can view notifications, track workouts, and analyze health trends on either platform. Check your operating system version before purchasing. The Bluetooth connection ensures seamless data transfer between your watch and phone. This feature is essential for receiving alerts and updating firmware regularly.
Consider the display type
Understand the difference between hybrid and full-touch displays. The Scanwatch Light 37mm uses a hybrid analog-digital display. It shows time physically while highlighting digital metrics subtly. The ScanWatch 2 38mm also features a hybrid design but offers more detailed health data on the screen. Both models prioritize readability and battery life over full touchscreen interfaces. Choose a hybrid display if you prefer traditional watch aesthetics with smart capabilities. This style reduces screen glare and extends battery performance significantly.
Frequently asked questions
Which Withings black smartwatch is best for smaller wrists?
The Withings Scanwatch Light 37mm is the top choice for smaller wrists. It features a 37 mm case and weighs only 1.6 ounces. This lightweight profile ensures comfortable daily wear without feeling bulky. Its compact 1.5-inch width fits snugly, making it ideal for users who prefer a minimal presence on their arm.
Does the Withings Scanwatch 2 support ECG monitoring?
Yes, the Withings Scanwatch 2 38mm Hybrid includes ECG functionality. This feature allows you to capture heart rhythm data clinically. It also tracks SpO2 levels and sleep patterns. These clinical metrics are housed in a 38 mm black case, offering more comprehensive health data than the lighter Scanwatch Light model.
How heavy is the Withings Scanwatch Light?
The Withings Scanwatch Light 37mm weighs 1.6 ounces. This low weight contributes to its comfort for all-day wear. The 38mm version is slightly heavier at 1.94 ounces. Both models use black finishes, but the Light model prioritizes a featherlight feel for users sensitive to wrist weight.
Are Withings black smartwatches compatible with iPhone?
Yes, both listed Withings models work with iOS devices. The Scanwatch Light and Scanwatch 2 support Android and iOS operating systems. You can sync your health data, including heart rate and sleep metrics, directly to your iPhone. This broad compatibility ensures you can track your fitness regardless of your phone brand.
What is the difference between the 37mm and 38mm cases?
The primary difference is size and feature set. The 37mm Scanwatch Light is lighter and more compact, weighing 1.6 ounces. The 38mm Scanwatch 2 is slightly larger and heavier at 1.94 ounces. The larger case accommodates advanced sensors like ECG and SpO2, while the smaller one focuses on essential heart rate tracking.
Can I track my sleep with these black Withings watches?
Yes, sleep tracking is available on both models. The Scanwatch Light monitors heart rate to infer sleep patterns. The Scanwatch 2 provides more detailed sleep tracking alongside SpO2 and ECG data. Both devices help you understand your rest quality through their respective sensor arrays without requiring a touchscreen interface.
Is the Withings Scanwatch 2 waterproof?
Yes, the Withings Scanwatch 2 38mm Hybrid is waterproof. This rating allows you to wear it while swimming or showering. The black hybrid design maintains durability alongside its health features. You can trust it to withstand water exposure during daily activities or aquatic exercises without damage to the internal sensors.
See also
- Rainbuvvy Smart Watch Men or Rainbuvvy 4G Smart Watch 2.86? Which Rainbuvvy Model to Buy
- Best Apple Smartwatches Under $200 in 2026: 6 Picks
- Best Garmin 45Mm Smartwatches: 4 Spec-Based Picks
- 2 Best Garmin Aluminum Smartwatches, Compared
- Best KOSPET Smartwatches with Heart Rate Monitoring: 2 Spec-Based Picks
- SOMNDEEP Contactless Smart Sleep Tracker vs SOMNDEEP Non-Wearable Smart Sleep Tracker (2026): Key Differences

