Samsung Galaxy Watch 4 42mm Classic Protector Case - Case Samsung Galaxy Watch 4 - Aliexpress
Amazon.com: Case Compatible with Samsung Galaxy Watch 4 Classic 42mm 46mm Case Frame PC Protective Cover with Rotatable Bezel Ring for Galaxy Watch 4 Classic Smartwatch Band Accessories (46MM, Black) : Cell
Amazon.com: Samsung Galaxy Watch 4 Classic 42mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection LTE US Version, Silver (Renewed) : Cell Phones & Accessories