IW505701
Platinum Case, Automatic winding, Diameter 44.4 mm, White dial, Black alligator leather strap by Santoni, Strap width 22.0 mm.
Portugieser Eternal Calendar | IWC Schaffhausen
IWC’s first secular perpetual calendar automatically takes into account the Gregorian calendar’s complex leap year exceptions by skipping three leap years over a 400-year period.
Watch Details
- Case
- Movement
- Features
Movement
- 52640 Calibre
- IWC-manufactured movement
- Automatic winding
- 168 Hours power reserve
- Frequency 28'800 VPH (4 Hz)
- 396 Components
- 54 Jewels
Features
- Small hacking seconds
- Pellaton automatic winding
- Power reserve display
- 7 days power reserve
- Rotor with 18-carat gold medallion
- Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase
- Double box-glass sapphire crystals, antireflective coating on both sides
Care For Your Watch
Complete Service
It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.
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HOW-TO TIPS
Learn how to clean your watch, wind it and more in our six-part “How To…” video series.
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OFFICIAL DOCUMENTS
IWC Schaffhausen
Exclusive Service
SHIPPING & DELIVERY
Boutique Pick Up: 1-2 business days
Next Day Delivery: Next day early morning delivery if order is placed before 13h30* Date & Time selection: Morning, Afternoon and Evening selection** Saturday Delivery: Next Saturday if order is placed Friday before 13h30***
30 days, Phone only, Exc. Custom items, Gifts over phone only, ret/exch. Shipping fees: IWC
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EXTENDED WARRANTY
Register to become a member of my IWC and benefit from a 6-year extension to the standard 2-year international limited warranty.
Portugieser Eternal Calendar
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.
Portugieser Eternal Calendar
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