IWC IW356403 Portofino Automatic Rose Gold Silver Dial (33316)

33316 IWC 3564 Portofino Automatic, 3564-03, IW356403, 356403 18K rose gold on an 18K rose gold tang buckle, automatic IWC caliber 30110, date window at 3 o'clock, central sweep seconds hand, silver dial with applied index hour markers, sapphire crystal, water resistant to 30 meters, Size: 34 mm, Thickness: 8 mm, like new with the original box and papers dated February of 2010.


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More about IWC IW356403 Portofino Automatic Rose Gold Silver Dial

This is a rose gold IWC Portofino Automatic IW356403. The two-body case, slim rounded bezel, and angled lugs are polished with a matt case back with 6 screws. The alligator strap has a matching rose tang buckle. The dial is silver sunday with applied faceted gold hour markers, gold feuille leaf hands – including a center sweep hacking seconds hand, and outer seconds markers. It has a sapphire crystal with antireflective coating on both sides, the date aperture is at 3 o'clock, and it's water resistant to 30 meters. There is a power reserve of 42 hours when fully wound. The 8mm thick case, dial, and movement are all signed.

This IWC Portofino Automatic IW356403 automatic IWC calibre 30110 movement is gilt brass with oeil-de-perdrix embellishment. It's constructed with 25 jewels, a straight-line lever escapement, and a shock absorber mechanism. The monometallic balance adjusts for heat, cold, and 5 positions. It includes a, micrometer regulator, a hack mechanism, and a self-compensating flat balance spring. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The IWC Portofino Automatic IW356403 from the elegant Portofino line was named after the center of the Italian international jet set, and the cases are round and thin.