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IWC Schaffhausen

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IWC Schaffhausen

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

Made in Switzerland

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AUGMENTED REALITY

IW504101

Portugieser Sidérale Scafusia Add to my wishlist

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Shipping and delivery conditions

product.buyoptions.taxes.shipping.link product.buyoptions.taxes.shipping.link Price includes taxes. Recommended Retail Price. Price excludes taxes. Recommended Retail Price. Recommended Retail Price Available to buy online. Orders can be returned within 30 days free of charge. Pay with credit card (Visa, MasterCard, American Express), bank wire transfer, Unionpay or Paypal.

Get in touch

Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 

+
1/ 2

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

Watch Details

  • case
  • Movement
  • Features
  • Care For Your Watch
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 (3 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

COMPLETE SERVICE

It involves a full overhaul of the timepiece and is a complex, largerly manual task that takes several hours.

IW329303,IW388108,IW329304,IW378005,IW378001,IW378003,IW329301,IW329306,IW388101,IW388102,IW388103,IW388104,IW328201,IW328203,IW329701,IW329702,IW388109,IW329801

HOW-TO TIPS

HOW-TO TIPS

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

OFFICIAL DOCUMENTS

OFFICIAL DOCUMENTS

EXCLUSIVE SERVICES

SHIPPING & DELIVERY

The Concierge Service offers a selection of free and convenient delivery options in Singapore, or you may also choose to collect your order in one of our boutiques in Singapore.

FIND A BOUTIQUE

Would you like to visit us? Find the IWC boutique or service centre that is closest to your location.

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 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.

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.

IWC Schaffhausen