Portugieser Perpetual Calendar 44 zenith The SLGA025 is powered by

The SLGA025 is powered by the Spring Drive Caliber 9RA2

while the screw-down case back adds durability

Since its creation in 1993

The Dynamic Lock-in Cuff is customisable to three different wrist sizes and locks your watches inside the winder

On this perpetual calendar

Portugieser Perpetual Calendar 44 zenith The SLGA025 is powered byIWC 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)