IWC PORTUGIESER PERPETUAL CALENDAR IW503401

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$55,000.00

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This timepiece comes in a 44.2 mm 18k white gold case and blue dial. 

Features a perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere, 7 days power reserve, power reserve display, sapphire glass, arched-edge, antireflective coating on both sides, pellaton automatic winding, and small hacking seconds.

Automatic, self-winding movement with calibre 52615.

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EAN: 006000101365 SKU: PW2M5K1LK9X510136 Categories: , , , , Tags: , , , ,
IW503401
PORTUGIESER PERPETUAL CALENDAR MOONPHASE MEN’S WATCH

The double moon display shows the current moon phase for the northern and southern hemispheres simultaneously. In each lunar month, the moon’s orbit as displayed on the watch deviates by about 12 seconds. Thanks to its ingenious design, the double moon only needs to be adjusted by 1 day every 577 years.

Perpetual calendar

In the early 1980s, IWC’s head-watchmaker Kurt Klaus set out on an engineering journey to translate the Gregorian calendar with its many irregularities into a mechanical program for a wristwatch. His ingenious perpetual calendar, which debuted in the Da Vinci Perpetual Calendar in 1985, comprises only about 80 parts and displays the date, day, month, year in four digits, and the moon phase. The smart mechanical program automatically recognises the different length of the months, and even adds a leap day at the end of February every four years. The moon phase display is so precise that it will deviate from the actual phase of the moon by just one day after 577.5 years. All displays are perfectly synchronised and can be adjusted simply by turning the crown. Some models come with an additional century slide, so the watch can continue showing the date until 2499. The calendar only needs a small adjustment in those centurial years that skip the leap year, which is the case in 2100, 2200, and 2300. Some versions of the calendar feature a double moon phase display, showing the moon phase on the northern and southern hemispheres.

Case

18 ct white gold case

Diameter 44.2 mm

Height 14.9 mm

See-through sapphire glass back

Water resistance 3.0 bar

'case'

Movement

52615 Calibre

IWC-manufactured movement

Automatic, self-winding

168 hours Power Reserve

Frequency 28’800 VPH (4 Hz)

381 Components

54 Jewels

Features

     

Small hacking seconds

Pellaton automatic winding

Sapphire glass, arched-edge, antireflective coating on both sides

Power reserve display

Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere

7 days power reserve

With Manufacturer Serial Numbers
Swiss Made
Midnight Blue Dial
Day/Date/Month/Year Feature
Perpetual Calendar
Moonphase Features Displays Both Northern and Southern Hemispheres
Power Reserve Display
7 Day Power Reserve
Self-winding Automatic Movement
IWC Caliber 52615
Jewels: 54
3 Year Warranty
Guaranteed Authentic
Certificate of Authenticity
Manufacturer Box & Manual
Solid 18k White Gold Case
Black Leather Strap with Pattern by Santoni
Scratch Resistant Sapphire Crystal
30 Meters / 100 Feet Water-Resistant
44.2mm = 1 3/4″ Case, 7″ Adjustable Strap
Case Thickness: 15.3mm
Deployment Buckle

Additional information

Brand

IWC

Color

, ,

Material

White Gold

Movement

Automatic

Strap

Style

Dress

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