IWC
Portugieser Eternal Calendar
Ref. IW5057-01
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Specifications
Reference
- Collection
- Portugieser
- Reference
- IW5057-01
Case
- Material
- Platinum
- Size
- 44.4 mm
Movement
- Calibre
- 52640
- Power reserve
- 168 hours
Dial & Bracelet
- Dial
- White
About this reference
The Portugieser Eternal Calendar is the first secular perpetual calendar from IWC Schaffhausen and automatically considers the Gregorian calendar’s leap-year exceptions. In addition, this horological marvel also features a moon phase display with a mathematical accuracy of 45 million years. The Portugieser Eternal Calendar was awarded the “Grand Prix de l’Aiguille d’Or” at the 24. Grand Prix d’Horlogerie de Genève. Case: Reference: IW505701; Dial Color: White; Case: Platinum; Strap: Black alligator leather strap by Santoni; Diameter: 44.4 mm; Movement: Automatic, self-winding, IWC-manufactured movement; Strap width: 22 mm; Buckle width: 18 mm; Height: 14.9 mm; Water Resistance: 5 Bar; Back case: With synthetic sapphire crystal. Movement: Caliber: 52640; Movement type: Automatic, self-winding; IWC-manufactured movement: Yes; Power Reserve: 168 hours; Frequency: 28800 Vph (4 Hz); Components: 396; Jewels: 54. Features: Small hacking seconds; Pellaton automatic winding; Rotor with 18-carat gold medallion; Power reserve display; 7 days power reserve; Double box-glass sapphire crystals, antireflective coating on both sides; Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase.
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