CMF Watch 3 Pro review on World Heart Day: How good are its heart-rate and health-tracking features?
On World Heart Day 2026, the CMF Watch 3 Pro brings heart-rate, SpO₂, stress and sleep tracking to a Rs. 7,999 smartwatch. In testing, its heart-rate and SpO₂ readings were broadly consistent with reference devices, while dual-band GPS delivered reliable tracking during outdoor workouts.