IWC Portugieser (IW3972-04)

The Details

IWC’s Portugieser Perpetual Calendar Digital Date-Month Edition “75th Anniversary” Red Gold / Blue (IW3972-04 (aka: IW397204)) was originally released in 2015. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 68-hour power reserve when fully wound.

The Case

The red gold case measures 45mm in diameter and roughly 16.5mm thick, with 22mm lug width. The round case is paired with a blue color dial with feuille-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. IWC’s Portugieser model IW3972-04 is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.

The Movement

The Portugieser IW3972-04 movement is a powered by caliber 89801 made by IWC. The 51-jewel automatic movement is 30mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 68-hour power reserve.

The Price

How much does the IWC’s Portugieser IW3972-04 cost? This watch was introduced in 2015 and has been in IWC’s collection for around . This watch is a limited edition with just 75 pieces released. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: $50,800

For more information, visit IWC online.

Specifications:

• Brand: IWC
• Model: Portugieser Perpetual Calendar Digital Date-Month Edition “75th Anniversary” Red Gold / Blue
• Reference Number: IW3972-04 (aka: IW397204)
• Limited: Yes, 75 units

Case & Dial:

• Material: Red Gold
• Glass: Sapphire
• Back: Display
• Diameter: 45
• Thickness: 16.5
• Lug Width: 22
• Dial Color: Blue
• Indexes: Arabic Numerals and Feuille-shaped hands
• Water Resistance: 30 meters

Movement:

• Winding: Automatic
• Brand: IWC
• Caliber: 89801
• Display: Analog
• Diameter: 30mm
• Jewels: 51
• Power Reserve: 68 hours
• Frequency: 28800 bph
• Functions: Hours, Minutes, Small Seconds

About IWC

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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