ZeRound3 uses standard 21 mm interchangeable wrist bands in order to make it easy for you to perfectly match your watch and your style.
- Push the spring bar inward to release the strap from the watch case
- Push the spring bar inward aligning it with the holes on either side of watch case
- Release the spring bar to secure the strap
- Verify that the strap is correctly fastened by gently tugging on the strap