I took it out of the box once and attached it to the Apple Watch body, but I haven't worn it on my wrist. It's not unopened, but it's almost unused. Apple Watch Nike Black Sport Band, compatible with 38mm/40mm/41mm for 42mm. - Brand: Apple Watch Nike - Model Name: Sport Band - Color: Black - Size: 42mm Compatible size: 38mm/40mm/41mm Thank you for viewing. This is a genuine sport band. Reference: Regular price 6,800 yen