Based on this product's specifications, here are some alternatives and similar models
Smartwatch REALME Watch 5 Titanium Black RMW2501 — heart rate monitor, fitness tracker
Summary description:
REALME Watch 5 Titanium Black RMW2501 is a smartwatch designed for everyday health and activity tracking. It features built-in heart rate monitoring and fitness tracking functions to record workouts and daily steps. The device is suited for users who want continuous health metrics, basic activity analysis and convenient on-wrist notifications to support an active lifestyle.