IWC IW390302 Portugieser Chronograph Classic SS (31785)

31785 IWC Portugieser Chronograph 390302, IW390302, stainless steel on a strap with a stainless steel deployant buckle, automatic calibre 89361 Movement, display back case, flyback chronograph, date, white dial with applied blue Arabic numbers, 68 hour power reserve, size: 42mm, thickness: 12.5mm, sapphire crystal, Water Resistant to 3 bar, like new with original box and papers dated May of 2019


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More about IWC IW390302 Portugieser Chronograph Classic SS

This is a stainless steel IWC Portuguese Chronograph IW390211. It has an alligator leather strap with a stainless steel deployant buckle. The solid three-body case, downturned lugs, and rounded bezel are polished. It has round pushbuttons and a protected screwed-down crown. The crystal and display case back are scratch-resistant sapphire with anti-reflective coatings on both sides. The dial is white with applied blued steel Arabic numeral hour index markers, blued steel square hour indices, blued epee hands, and a blued chronograph hand. The subsidiary dial at the 12 o'clock position is a totalizer with both the 60-minute register with the longer hand pointing to the outer ring, as well as the 12-hour indicator with the shorter hand which points to the markings on the inner ring. A small hacking seconds subsidiary dial is at 6 o'clock, and a date window is located at 3 o'clock. It's water resistant to 30 meters/100 feet, and it has a 68-hour power reserve at full wind. The case diameter is 42mm., and 12.5 mm. thick. The case, dial, and movement are all signed, with "Yacht Club" on the small seconds sub dial.

This IWC Portuguese Chronograph IW390211 has a mechanical automatic self-winding in-house IWC caliber 89361 fly back chronograph movement. It's guilt brass with oeil-de-perdrix embellishment, and it has a straight-line lever escapement, a monometallic balance adjusted to 5 positions, an anti-shock device, and a self-compensating flat balance spring. It includes a hacking seconds mechanism for precision time setting and the mechanism oscillates at a frequency of 28,800 vph (4Hz).

This IWC Portuguese Chronograph IW390211 refers back to the superb IWC Yacht Club Automatic of the 1960s.