Hublot Classic Fusion parent reference 511.OX.1181, grouping exact dot-configuration references 511.OX.1181.LR, 511.OX.1181.LR.1104, 511.OX.1181.LR.1704, 511.OX.1181.RX, 511.OX.1181.RX.1104, 511.OX.1181.RX.1704.