The Lava Prowatch ZN is the round, premium model with a zinc alloy body, 1.43" circular OLED display, 110+ sports modes, heart rate and SpO2 sensors, and an impressive 350mAh battery lasting up to 7 days with fast charging in 1 hour.
The Lava Prowatch VN is the rectangular, more affordable model with a 1.96" LCD display, zinc alloy body, IP67 water resistance, 3-day battery, and salt spray corrosion testing despite its lower price.
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