Fitbit Versa 2 Health and Fitness Smartwatch 40mm Carbon Aluminum Case with Black Band | NFM
Amazon.com: SAMSUNG Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, SM-R860NZKAXAA, Black : Electronics
iTouch Air 3 Smartwatch Fitness Tracker, Heart Rate, Step Counter, Sleep Monitor, Message, IP68 Swimming Waterproof for Women and Men, Touch Screen, Compatible with iPhone and Android (40mm) - Newegg.com
Samsung Galaxy Watch4 40mm Smartwatch - Black - Bonus Band Included | Costco
Samsung Galaxy Watch4 Smartwatch | Verizon
Samsung Galaxy Watch5, 40mm Bluetooth Smartwatch with Graphite Strap | BJ's Wholesale Club