FORTIS movement retention ring for Spacematic 623.10.37, 623.18.71, 623.22.11

Genuine FORTIS movement retention ring 623.10.37, 623.10.38, 623.10.41, 623.10.42, 623.10.51, 623.10.52, 623.10.71, 623.18.71, 623.22.11, 623.22.12, 623.22.31, 623.22.32, 623.22.15, 623.22.41, 623.22.42, 623.22.81.

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