
IWC
Portugieser Perpetual Calendar Tourbillon IW504504
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