The IWC Portofino Hand-Wound Moonphase IW516401 is a representative moonphase dress watch of the Portofino collection, Featuring a 45.0 mm stainless steel case, A silver dial, And a dark brown alligator leather strap. It was released in 2017.
Equipped with the IWC in-house manual-winding calibre 59800, It offers a power reserve of 192 hours (8 days). The dial features a moon phase display at 12 o’clock, A date window at 3 o’clock, Small seconds at 6 o’clock, And a power reserve indicator at 9 o’clock, All arranged in a balanced manner. The moon phase display follows in the tradition of the original Portofino from 1984 and has been implemented with IWC’s signature precise sensibility. The see-through back also allows a view of the movement’s elaborate finish. It is a classic dress watch that has been consistently loved.

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