IWC Portugieser
IW377402
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Brand IWCCollectionPortugieserSeriesGrande ComplicationModel NoIW377402
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MovementFeatures Chronograph, Day-Date, Moon Phase, Perpetual CalendarMovement AutomaticCalibre 79091CaseCase Size 45 mmCase Shape RoundCase Material Rose GoldGlass Material Sapphire CrystalDialDial Colour SilverHands FeuilleIndexes Arabic NumeralsStrapStrap Material LeatherStrap Colour BrownOtherGender MenWater Resistance (M) 30Limited Edition YesWarranty Period 2 Years + 6 years warranty extension by registering hereCountry of Origin Switzerland
Collection Video Discover the Portugieser Collection
About the IWC Portugieser Collection
History
In the late 1930s, IWC Schaffhausen received a request from two Portuguese merchants who requested a wristwatch with the precision of a marine chronometer for the captains and officers of Portugal's merchant navy. To fulfil this, Schaffhausen adapted its pocket watch movements, calibres 74 and 98, leading to the creation of a larger wristwatch, first introduced in 1939.
Design And Iterations
The Portugieser's design is distinguished by its large, round case, which offers a clear and easily readable dial. Arabic numerals, slim feuille hands, and a railway-track-style chapter ring are all elements that contribute to its classic appearance. Their watch's minimalistic design, featuring a slim bezel and an uncluttered dial, is a hallmark of IWC's commitment to functional elegance. Over the years, the Portugieser collection has expanded to include various iterations while still maintaining the original's iconic design and introducing unique elements. The Portugieser Automatic offers a balanced dial with a small seconds sub-dial at six o'clock and a power reserve indicator, powered by IWC's Pellaton winding system, ensuring a seven-day reserve. The Portugieser Chronograph enhances the collection with complications such as dual sub-dials positioned at 12 and six o'clock. Meanwhile, the Portugieser Perpetual Calendar stands out with their perpetual calendar function and IWC-manufactured 52610 calibre movement.
The Portugieser Yacht Club takes a sportier approach, incorporating a flyback chronograph and variants like the Moon & Tide, featuring tide and moon phase indicators, including special editions like the "Orlebar Brown" collaboration. Despite their differences, each iteration preserves the Portugieser's timeless elegance and horological precision. Additionally, the collection includes special editions like the Portugieser Grande Complications, combining a perpetual calendar and chronograph, and the Monopusher Edition “Laureus Sport For Good,” limited to 500 pieces. Despite their differences, each iteration preserves the Portugieser's original design while offering unique features that appeal to different watch enthusiasts.

ABOUT THE MOVEMENT
In 1985, IWC captured global attention with the launch of the calibre 7906, an innovative perpetual calendar movement. Crafted by the esteemed watchmaker Kurt Klaus, this movement simplified the operation of perpetual calendars, combining reliability with affordability. Building on this breakthrough, IWC developed the calibre 79091, a grande complication movement unveiled in 1990. This movement features a full perpetual calendar, including a day, date, month, and year indicator, as well as a moonphase display. It also incorporates a chronograph and an acoustic minute repeater, providing both visual and auditory complications. With 75 jewels, 659 components, a 44-hour power reserve, and a frequency of 28,800vph, the calibre 79091 exemplifies IWC's commitment to precision and technical sophistication.

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- Brand IWC
- Reference 79091
- Movement Automatic
- Display Analog
- Power Reserve approx. 44 hours
- Frequency 28800 bph
- Date Date, Day, Month, Perpetual Calendar, Year Indicator
- Chronograph Chronograph
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