My new Apple watch’s band won’t lock it.

Hi lousuff,

Thanks for coming to Apple Support Communities for help today with a new Apple Watch band that won't lock in.

You may be following these instructions: Remove, change, and fasten Apple Watchbands.

If the issue is continuing, you may want to look into a return or exchange. There may be a manufacturing defect with the band. Returns & Refunds

Have a fantastic day!