IWC
Portofino Perpetual Calendar IW344602
40mmCurrent Production
Retail: $41,500
The Portofino Perpetual Calendar features the legendary perpetual calendar developed by Kurt Klaus during the 1980s.
Source: IWC website, last updated Mar 2026
IWC
Retail: $41,500
The Portofino Perpetual Calendar features the legendary perpetual calendar developed by Kurt Klaus during the 1980s.
Source: IWC website, last updated Mar 2026
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