Portugieser Perpetual Calendar 44 zenith while the screw-down case back

while the screw-down case back adds durability

The SLGA025 is powered by the Spring Drive Caliber 9RA2

Designed to counteract gravity’s effect on timekeeping

14ct of diamonds set in 18 karat yellow gold

Portugieser Perpetual Calendar 44 zenith while the screw-down case backIWC Schaffhausens perpetual calendar was originally developed during the 1980s by former head watchmaker Kurt Klaus. In 2003, the legendary complication was presented in the Portugieser collection for the first time. Since then, the Portugieser Perpetual Calendar has been a major pillar of the collection. Warranty: 2 years International Limited Warranty (+6 years with registration to MyIWC)