IWC Portuguese Perpetual Calendar Rose Gold

The IWC Portuguese Perpetual Calendar is an 18-carat rose gold men’s watch, portraying a high level of precision and luxury with excelling performance. Read our guide for more facts and information…

The International Watch Company, established in 1868, began with manufacturing luxury pocket timepieces and gained popularity with its innovative and advanced techniques. Working in tandem with technology and trends, IWC introduced its exclusive Portuguese collection in 1938, which come in white gold, rose gold, silver, platinum and stainless steel. The watches made by this Swiss company usually require a manual winding movement, though automatic self-winding ones have emerged. The Portuguese Perpetual Calendar (PPC) rose gold watch, an authentic men’s watch comes with some remarkable features, incorporating a unique perpetual calendar.

Features of the IWC Portuguese Perpetual Calendar rose gold watch

The IWC PPC rose gold has an alligator leather strap in brown color with a rose gold clasp. Besides showing the time, it indicates the date, day, power reserve, small seconds, moon-phase and the year in four digits. The automatic self-winding system allows a seven-day (168 hours) power reserve. The sapphire crystal seen on the front is coated with anti-reflective material on either side, and the case back is made of transparent sapphire crystal, allowing a view of the rotor within. The case back shows the rotor with a rotating balance wheel, the winding hooks, the balance wheel and an escape wheel showing a perpetual motion. Water-resistance and scratch-resistance are among its favourable features.


The IWC PPC rose gold watch has a diameter of 42.3 millimeters, a height of 15.6 millimeters and it weighs 145 grams. It uses IWC’s 51613 caliber, with an automatic Pellaton winding system. With 62 jewels incorporated, the movement pulsates at the rate of 21,600 beats in an hour.

Description of the IWC PPC rose gold watch

The well organized dial is striking and legible. The sub-dial located at the 3 O’ clock position has an outer ring showing the date, wherein the days in odd number are printed and the days in even number are dotted. The inner dial shows the status of the seven-day power reserve, indicated on a double track resembling a railroad. A red warning indicator shows if the power reserve falls to a day or less. Both the date and power indicators are in rose gold, but of different lengths and a deep observation eliminates confusion between them.
At the 9 O’ clock position, a sub-dial has an outer ring for showing the day indicated by three letters, with a dot to separate each day. The inner ring displays the small seconds and the seconds hand moves around a ring, having second markers in Arabic numerals at tens and bigger ticks at fives. At the 6 O’ clock position, a sub-dial indicates the month, each denoted by three letters. At the 12 O’ clock position, there is a sub-dial for the moon-phase and as stated by IWC, it would show an accurate reading for 577 years.  Between 7 and 8 O’ clock positions, the year is indicated in four digits, which need not be changed till 2100.

With many distinct and unique features, the IWC Portuguese Perpetual Calendar rose gold watch displays a dashing combination of authenticity, beauty and technology, retaining the classic fame of IWC.

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