With the 2019 introduction of the IWC Portofino Moonphase IW4594, IWC pairs the full-size case of the regular automatic with the moonphase movement previously exclusive to the 37mm case size.


With the 2019 introduction of the IWC Portofino Moonphase IW4594, IWC pairs the full-size case of the regular automatic with the moonphase movement previously exclusive to the 37mm case size.
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