When choosing a fall detection watch for seniors, look for key features like automatic fall alerts, GPS tracking, an SOS button, simple interface, and good battery life. Fall detection systems are helpful but not 100% accurate, as they may occasionally miss falls or trigger false alarms, though advanced models improve reliability. Devices like Apple Watch Series 9, Samsung Galaxy Watch 7, and Medical Guardian MGMove offer a strong mix of safety, ease of use, and features, but the best choice depends on whether you need simple emergency support or full smartwatch functionality.