How long will my CZ Smart Gen 2 Hybrid smartwatch battery last? A great benefit of the Hybrid Smartwatch is that is lasts up to 18 Days depending on usage. Related articles I've placed the smartwatch onto the charger. Why don't I see the charging indicator on the display? Can I purchase an additional charger for my CZ Smart Gen2 Hybrid Smartwatch? How long will it take to charge my Gen 2 Hybrid watch? How long will my smartwatch battery last on my Gen1 Smartwatch? Does my CZ Smart Gen 2 Hybrid smartwatch monitor my heart rate?