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You never truly own an IWC Portugieser Eternal Calendar, you just hold on to it for your Great (x75) Grandchild
Editor’s Note: This story originally appeared in Volume 2 of B.H. Magazine. Subscribe here.
It’s not often something as anachronistic as a mechanical watch sets a new Guinness World Record, but IWC Schaffhausen has done exactly that. With a moonphase mechanism that will be accurate for 45 million years, IWC’s Portugieser Eternal Calendar ref.IW505701 has taken haute…
