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IWC Schaffhausen

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    Monday to Friday: 9:00am – 7:00pm

    Saturday: 9:00am – 5:00pm

    +32 42 71 03 10
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    Saturday : 9:00am – 5:00pm

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IWC Schaffhausen

Portugieser Sidérale Scafusia

Variation Black, Platinum case Size guide

Platinum case, Manual-winding, Diameter 46.0 mm, Black dial, Black alligator leather strap, Strap width 22.0 mm.

Perpetual calendar | IWC Schaffhausen

The perpetual calendar is one of the most fascinating haute horlogerie complications.

Watch Details

  • case
  • Movement
  • Features
case

case

  • Platinum case
  • Diameter 46.0 mm
  • Height 17.6 mm
  • See-through sapphire glass back
  • Water resistance 3.0 bar
'case'
Movement

Movement

  • 94900 Calibre
  • IWC-manufactured movement
  • Manual-winding
  • 96 hours power reserve
  • Frequency 18'000 VPH (2.5 Hz)
  • 56 Jewels
  • Sand-blasted
Features

Features

  • Sapphire glass, convex, antireflective coating on both sides
  • Sidereal time
  • Ecliptic and celestial equator
  • Sunrise and sunset together with displays for day, night and twilight
  • Customized celestial chart
  • Celestial chart showing horizon
  • Power reserve display
  • Perpetual Calendar with leap year display and absolute day of the year
  • Tourbillon with integrated constant-force mechanism

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.

Learn more

HOW-TO TIPS

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

LEARN MORE

IWC Schaffhausen

Exclusive Service

SHIPPING & DELIVERY

SHIPPING & DELIVERY

We offer three methods of delivery:

Standard: 5-7 business days* Express: 2 business days* Urgent: next business day**

Orders purchases online or by phone can be returned within 30 days free of charge.

SHIPPING AND DELIVERY CONDITIONS
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EXTENDED WARRANTY

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.

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Portugieser Sidérale Scafusia

Portugieser Sidérale Scafusia

The most complex watch made by IWC Schaffhausen is also a personalized astronomical instrument: the back of the watch shows the night sky as you see it from your own home.

Portugieser Sidérale Scafusia

The most complex watch made by IWC Schaffhausen is also a personalized astronomical instrument: the back of the watch shows the night sky as you see it from your own home.

Portugieser Sidérale Scafusia

The dial, in the style of a classic Portugieser, features a constant-force tourbillon together with displays for the 96-hour power reserve and sidereal time, which, among other things, is needed to find the same star each night in the same position. The reverse side is a fabulous astronomical module calculated precisely to reflect the owner’s wishes. From a previously defined location, the rotating night-sky disc shows more than 500 stars and constellations with such detail and precision that it would quicken the pulse of any astronomer. Making the necessary allowances for summer time and winter time, the watch also displays the times of sunrise and sunset, sidereal time and a perpetual calendar with the leap years. In view of the enormous amount of work involved and the more than 200 individual configurations possible, only a few watches are produced each year.

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CONTACT US

  • Call IWC

    Monday to Friday: 9:00am – 7:00pm

    Saturday: 9:00am – 5:00pm

    +32 42 71 03 10
  • Send IWC an E-Mail
    We will reply within 24 working hours.
    Send IWC an E-Mail
  • Send IWC a WhatsApp Message

    Do you have a question about a product - your order or our service?
    Contact one of our watch experts on WhatsApp.

    Monday to Friday : 9:00am – 7:00pm
    Saturday : 9:00am – 5:00pm

    Send a Message
  • Visit IWC

    Choose the closest IWC boutique and come visit us soon or visit our IWC service centres - we would be delighted to take care of your timepiece.

    Find a Nearest Boutique
  • MAKE AN APPOINTMENT

    Schedule a visit at the boutique of your choice.

    Book an Appointment
  • Leave your Feedback

    Your feedback is important to us. Share it with us here.

IWC Schaffhausen