IWC IW544403 Portuguese Regulator Limited Edition Platinum (33389)

33389 IWC 5444 Portuguese Regulator, IW544403, 5444-03, 544403, Limited Edition to 500 pieces, platinum case on a strap with a platinum tang buckle, manual wind caliber 98245 movement, small seconds at 6 o'clock, sub-dial for hours at 12 o'clock, silver dial with applied Arabic numerals, diameter: 43mm, thickness: 12mm, sapphire crystal, water resistant to 30 meters, 46-hours power reserve, display back, like new with original box and papers dated August of 2008.


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More about IWC IW544403 Portuguese Regulator Limited Edition Platinum

This is a platinum IWC Portuguese Regulator Vintage Collection IW544403. It has an alligator leather strap with a Platinum tang buckle, and scratch resistant sapphire crystals. It includes a signed screw-down winding crown, and there is an exhibition sapphire display case back secured by 6 screws, and engraved with the serial number. The 43mm diameter solid two-body case, curved lugs, and thin concave bezel are polished. The dial is silver with a recessed off-center time dial at 12 o'clock with applied white gold Arabic numerals at the quarter hours, and a white gold epee indicator hand. There is a recessed running small constant seconds subsidiary dial at the 6 o'clock position with black Arabic numerals, markers, and a white gold epee indicator hand. It has a black railway-style 60-minute scale around the perimeter with Arabic numerals every 5 minutes, indicated by a center white gold epee hand. It's water resistant to 30 meters/100 feet, and it has a 46-hour power reserve at full wind. The 12mm thick case, dial, and movement are all signed.

This IWC Portuguese Regulator Vintage Collection IW544403 has a mechanical manual winding IWC caliber 98245 (base IWC caliber 98900) movement with oeil-de-perdrix and Cotes de Geneve embellishment. It's constructed with 22 jewels (several mounted in gold chatons), a shock absorber device, and a straight-line lever escapement. It includes a monometallic balance that's adjusted to 5 positions, a self-compensating Breguet balance spring, and a large index regulator with an engraved scale on the train plate. The mechanism oscillates at a frequency of 18,000 vph (2.5Hz).

The IWC Portuguese Regulator Vintage Collection IW544403 was produced in a limited eddition of 500 examples from 2007 to 2009.