IWC 3533 Portofino Automatic 18K Yellow Gold (33975)

33975 IWC 3533 Portofino Automatic, IW3533, 3533, 18k Yellow Gold on a Strap with a Solid 18K Yellow Gold Buckle, Automatic Movement, Date Window at 3 O'Clock, Sweep Second Hand, White Dial with Applied Index Hour Markers, Sapphire Crystal, Water Resistant, Size: 38mm, Thickens: 8mm, Like New with IWC Box and Papers dated 2006.


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More about IWC 3533 Portofino Automatic 18K Yellow Gold

This is an 18K yellow gold IWC Portofino Automatic, IW3533. It has a leather strap with an 18K yellow gold buckle, and a scratch-resistant sapphire crystal. The solid 38mm diameter two-body case, straight-lugs, rounded bezel, and case back with 4 screws are polished. The dial is white with applied gold baton hour markers; a minute/seconds outer track, gold baton hands, and a central sweep seconds hand. There is a date window aperture at 3 o'clock, and it's water resistant to 30 meters (100 feet). There is a 42-hour power reserve, and the 8mm thick case, dial, and movement are all signed.

The automatic self-winding IWC caliber 30110 movement is gilt brass, with oeil-de-perdrix embellishment. It's constructed with 23 jewels, and a shock absorber mechanism. It includes a straight-line lever escapement, a monometallic balance adjusted to 5 positions, and a self-compensating flat balance spring. It includes a micrometer regulator, a central hacking seconds mechanism, and the mechanism oscillates at 28,800 vph (4 Hz).