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 How long will it take to charge my Gen 2 Hybrid watch? How do I customise the pushers on my hybrid Gen2 Smartwatch with the iiideas? How do I customise my complication on my Gen2 Hybrid Smartwatch?