Per Apple Watch Serie 11 10 9 8 7 6 5 4 SE 40 49 45mm Ultra 3 Cinturino Metallo
For Apple Watch Series 9 45mm. For Apple Watch Series 8 45mm. For Apple Watch Series 7 45mm. For Apple Watch Ultra 49mm. For Apple Watch Ultra 2 49mm. For Apple Watch Ultra 3 49mm. For Apple Watch SE 44mm.