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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.

Constant-force tourbillon | IWC Schaffhausen

With the patented constant-force tourbillon, IWC elegantly combines two complications that serve to increase timekeeping precision.

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 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

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

You may also choose to pick-up your purchase in one of our selected Boutiques, which can be chosen during the checkout. In this case, you will be notified by email when your order is ready for collection.

30 days, Phone only, Exc. Custom items, Gifts over phone only, ret/exch. Shipping fees: IWC

SHIPPING AND DELIVERY CONDITIONS
FIND A BOUTIQUE

FIND A BOUTIQUE

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

FIND A BOUTIQUE
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.

Register your watch
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.

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