Per Apple Watch Ultra 8 7 6 5 4 SE Cinturino Silicone Fibbia Magnetica 41/44/45
Strong magnet buckle makes the strap easy to take off and wear. For Apple Watch 40mm Series 4/5/6/SE. For Apple Watch 44mm Series 4/5/6/SE. For Apple Watch 49mm Series Ultra. For Apple Watch 38mm Series 1/2/3.