IWC
Portugieser Perpetual Calendar Tourbillon IW504505
45mmCurrent Production
The Portugieser Perpetual Calendar Tourbillon combines two horological complications on the dial.
Source: IWC website, last updated Mar 2026
IWC
The Portugieser Perpetual Calendar Tourbillon combines two horological complications on the dial.
Source: IWC website, last updated Mar 2026
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