Reference 5021 Portugieser | A yellow gold automatic perpetual calendar wristwatch with moon phases and 7 day power reserve indication, Circa 2005 | Fine Watches | 2023 | Sotheby's
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IWC 5021-19 Portugieser Perpetual RG/Black (9589) | European Watch Co.
Highlights: 'Inside IWC History' Exhibition in Singapore | SJX Watches