The Basics

The Portofino Hand-Wound Eight Days was introduced in 2011. It features an over-sized case, housing an in-house, hand-wound movement with eight days of power reserve. Reference IW5101-03 has a stainless steel case and a silver dial.

Brand: IWC
Family: Portofino
Reference: IW5101-03 (aka: 5101-03, IW510103)
Name: Portofino Hand-Wound Eight Days Stainless Steel / Silver
Produced: 2011
Limited: No

Below is a detailed look at IWC’s model IW5101-03 from Portofino watch family, including the price, case details and movement features.

IWC Portofino IW5101-03

The Details

IWC’s Portofino Hand-Wound Eight Days Stainless Steel / Silver (IW5101-03 (aka: 5101-03, IW510103)) was originally released in 2011. This watch features a hand-wound movement beating at a frequency of 28800 bph (4 Hz) to provide a 192-hour power reserve when fully wound.

The Case

The stainless steel case measures 45mm in diameter and roughly 12mm thick. The round case is paired with a silver color dial with feuille-shaped hands, and a stick / dot hour markers and minute track, covered by a sapphire glass. IWC’s Portofino model IW5101-03 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: 45mm
Height: 12mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Portofino IW5101-03 movement is a powered by caliber 59210 made by IWC. The 30-jewel hand-wound movement is 37.8mm in diameter. Its balance wheel oscillates at 28800 semi-oscillations per hour or 4 Hz. This movement offers a 192-hour power reserve.

Type: Hand-Wound
Brand: IWC
Caliber: 59210
Base: N/A
Display: Analog
Diameter: 37.8mm
Jewels: 30
Reserve: 192 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds
Chronograph:
Additionals: Power Reserve Indicator

The Price

How much does the IWC’s Portofino IW5101-03 cost? This watch was introduced in 2011 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.

CURRENT PRICE: 9950

For more information, visit IWC online.

Specifications:

  • Brand: IWC
  • Model: Portofino Hand-Wound Eight Days Stainless Steel / Silver
  • Reference Number: IW5101-03 (aka: 5101-03, IW510103)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 45
  • Thickness: 12
  • Lug Width: N/A
  • Dial Color: Silver
  • Indexes: Stick / Dot and Feuille-shaped hands
  • Water Resistance: 30 meters

Movement:

  • Winding: Hand-Wound
  • Brand: IWC
  • Caliber: 59210
  • Display: Analog
  • Diameter: 37.8mm
  • Jewels: 30
  • Power Reserve: 192 hours
  • Frequency: 28800 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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