IWC Portugieser Hand-Wound Tourbillon Day & Night
IW545901
2 Years + 6 years warranty extension by registering here
*Available On Special Order
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The IWC Portugieser Hand-Wound Tourbillon Day & Night is a masterpiece of haute horlogerie, exemplifying IWC's commitment to technical innovation and timeless design. This exquisite timepiece features a generously proportioned 42.4mm case crafted from 18k Armor Gold® case, offering a luxurious warmth that complements its sophisticated aesthetic. The dial is a stunning interplay of complications and artistry. At six o'clock, a flying tourbillon rotates gracefully. At nine o'clock, a day/night indicator adds a poetic touch, transitioning from a golden sun to a starry night sky. The black dial provides a refined backdrop, with golden hands and appliqués ensuring excellent legibility.
Powering this horological marvel is the IWC-manufactured 81925 calibre, a hand-wound movement boasting an impressive 84-hour power reserve. The sapphire crystal caseback offers a mesmerising view of the meticulously finished movement. Water-resistant to 60 metres, the Portugieser Hand-Wound Tourbillon Day & Night is paired with a black alligator leather strap. This limited edition of 50 pieces represents the pinnacle of watchmaking, perfect for collectors and connoisseurs who appreciate exceptional craftsmanship and mechanical complexity.
Full Specification
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Brand IWCCollectionPortugieserSeriesN/AModel NoIW545901
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MovementFeatures Day-Night Indicator, Flying TourbillonMovement Manual WindingCalibre 81925CaseCase Size 42.4 mmCase Thickness 10.8 mmCase Shape RoundCase Material Armor Gold®Case Back See-through Case BackLug Width 22 mmGlass Material Sapphire CrystalDialDial Colour BlackHands LeafIndexes Arabic NumeralsStrapStrap Material LeatherStrap Colour BlackClasp Type Folding ClaspBuckle/Clasp Material Armor Gold®OtherGender MenWater Resistance (M) 60Warranty Period 2 Years + 6 years warranty extension by registering hereCountry of Origin Switzerland
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
The 2024-released IWC Portugieser Tourbillon Day & Night showcases a mesmerising fusion of tradition and innovation with its manually wound in-house calibre 81925. Crafted from 195 parts with 22 jewels and operating at an impressive 4Hz frequency, this movement is sophisticated and advanced. It comprises silicon components enhanced with Diamond Shell technology, significantly reducing friction and optimising energy transfer. The calibre's mechanical virtuosity is most highlighted by the one-minute flying tourbillon with a hacking seconds mechanism, elegantly framed in gold and showcased at the six o’clock position on the dial. The intricate balance wheel and pallet lever are visible within the tourbillon's lightweight cage. Additionally, IWC calibre 81925 bears a captivating 24-hour day and night indicator, displayed through a detailed, three-dimensional rotating globe that completes a full rotation every 24 hours. The movement offers a remarkable 84-hour power reserve. The reverse side of the watch provides a clear view of the calibre, which is adorned with gold-plated bridges and finished with circular Geneva stripes.
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- Brand IWC
- Reference 81925
- Movement Manual Winding
- Display Analog
- Power Reserve Approx. 84 hours
- Jewels 22
- Frequency 28800 bph
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