Withings Scanwatch Horizon Hybrid Smartwatch with ECG, heart rate and oximeter 43mm Green HWA09-model 8-All-Int - Best Buy
GENUINE Withings Steel HR 36mm Multi-Sport Hybrid Smart Watch White Rose Gold 3700546704260 | eBay
Withings Scanwatch 38mm Rose Gold Hybrid Smartwatch With ECG HWA09-MODEL 5-ALL-INT - First Class Watches™ USA
Amazon.com: Withings Steel HR Sport Hybrid Smartwatch (40mm) - Activity, Sleep, Fitness and Heart Rate Tracker with Connected GPS, Smart Notifications, Water Resistant with 25-Day Battery Life : Electronics