CZ Smart Touchscreen smartwatches are all compatible with all the 22mm interchangeable strap assortment and with select hybrid smartwatches. You can also purchase an additional charger.
Designed for maximum versatility - the CZ Smart interchangeable strap collection includes a range of 22MM bracelet, mesh, leather, and silicone straps for comfort, practicality, and style. Take your CZ Smart watch from day to night whether you’re at the gym, running errands, at work, or enjoying an evening out. Simply switch your watch strap to make the most out of every moment - everyday or elevated.
https://www.citizenwatch.com/us/en/collection/smartwatches/
Leave an additional charger at your office or to take with you while traveling for your Gen2 smartwatches. This charger is compatible with touchscreen and hybrid. 399-003DL-01
https://www.citizenwatch.com/us/en/product/399-003DL-01.html?cgid=smartwatches