IWC Portugieser Perpetual Calendar 44 /Root/Start/Vacheron Constantin/Overseas keeping the overall layout particularly

keeping the overall layout particularly clean

RX combines titanium with ceramic

this model is excellently suited for everyday use and remains reliable during sporting activities

The sapphire crystal protects the refined design and preserves the dial's clear appearance over the long term

IWC Portugieser Perpetual Calendar 44 /Root/Start/Vacheron Constantin/Overseas keeping the overall layout particularlyIWC Portugieser Perpetual Calendar 44 (Reference IW503312) Reference IW503312 is the large version of the Portugieser with Perpetual Calendar 44. 20 mm in a yellow gold case, an alloy that IWC uses only rarely. The case diameter is 44. 2 mm. The blue dial combines a moonphase, month, day of week, and date display with a power reserve indicator. The calendar runs correctly well into the next century without any need for adjustment. Inside, calibre