The Basics

In the case of the Portuguese Automatic with date display, the railway track-style chapter ring, feuille hands and appliquéd Arabic numerals give the dial the classic appeal of the first Portuguese watches of the 1930s. The IWC-manufactured 51011 calibre integrates all the finest features ever to grace an automatic movement, such as the highly efficient Pellaton winding system and a seven-day power reserve. Reference IW5001-09 has a stainless steel case and a black dial.

Brand: IWC
Family: Portugieser
Reference: IW5001-09 (aka: 5001-09, IW500109)
Name: Portuguese Automatic Stainless Steel / Black
Produced: 2015
Limited: No

Below is a detailed look at IWC’s model IW5001-09 from Portugieser watch family, including the price, case details and movement features.

IWC Portugieser IW5001-09

The Details

IWC’s Portuguese Automatic Stainless Steel / Black (IW5001-09 (aka: 5001-09, IW500109)) was originally released in 2015. This watch features a automatic movement beating at a frequency of 21600 bph ( 3 Hz) to provide a 168-hour power reserve when fully wound.

The Case

The stainless steel case measures 42.3mm in diameter and roughly 13.9mm thick, with 22mm lug width. The round case is paired with a black color dial with feuille-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. IWC’s Portugieser model IW5001-09 is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Display
Shape: Round
Diameter: 42.3mm
Height: 13.9mm
Lug Width: 22mm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Portugieser IW5001-09 movement is a powered by caliber 51011 made by IWC. The 44-jewel automatic movement is 37.8mm in diameter. Its balance wheel oscillates at 21,600 semi-oscillations per hour or 3 Hz. This movement offers a 168-hour power reserve.

Type: Automatic
Brand: IWC
Caliber: 51011
Base: IWC 50010
Display: Analog
Diameter: 37.8mm
Jewels: 44
Reserve: 168 hours
Frequency: 21600 bph
Time: Hours, Minutes, Small Seconds
Additionals: Power Reserve Indicator

The Price

How much does the IWC’s Portugieser IW5001-09 cost? This watch was introduced in 2015 and has been in IWC’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.


For more information, visit IWC online.


  • Brand: IWC
  • Model: Portuguese Automatic Stainless Steel / Black
  • Reference Number: IW5001-09 (aka: 5001-09, IW500109)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 42.3
  • Thickness: 13.9
  • Lug Width: 22
  • Dial Color: Black
  • Indexes: Arabic Numerals and Feuille-shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: IWC
  • Caliber: 51011
  • Display: Analog
  • Diameter: 37.8mm
  • Jewels: 44
  • Power Reserve: 168 hours
  • Frequency: 21600 bph
  • Functions: Hours, Minutes, Small Seconds

About IWC

IWC logo

IWC is based in Schaffhausen, Switzerland, and was founded in 1868. Its signature lines are the Pilot’s Watches and the Portugieser, while other famous collections are the Aquatimer, Portofino and the Da Vinci. Many of IWC’s designs display a industrial type of beauty not often found in Swiss watchmaking. The same goes for its movements; while of very high standards, they are finished with an … engineers touch rather than that of an artist. One could very well say that IWC’s approach to watchmaking is more German in nature compared to many of its competitors; the ‘form follows function’ adagio is one held in high esteem in Schaffhausen. Notable watches and innovations created by IWC in the past include the digital ‘Pallweber’ pocket watch, the late 1930’s Portugieser, the 1985 Da Vinci with Kurt Klaus perpetual module, the split-seconds mechanism as designed by Richard Habring and the ceramic Da Vinci and Flieger 3705 – introduced many years before the material became fashionable. IWC also pioneered the use of titanium in wristwatches. In recent years, IWC has had a strong focus on in-house movements with prices rising accordingly. IWC is part of the Richemont group.

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