Originally found in giant chronometers, the perpetual calendar became common in pocket watch movements in the 1920s, and later in wristwatches. In 1985, the legendary watchmaker Kurt Klaus solved this problem with an innovative, in-house mechanical perpetual calendar movement, forging a new path for the calendar. 2020, IWC Portuguese Collection With the launch of the “Boutique Special Edition” perpetual calendar watch, the brand once again demonstrates its extraordinary expertise and craftsmanship. (Ref. IW503312)

Let’s start with the overall look of the watch. The dial diameter of the watch is 44.2 mm, so putting down that many functions won’t look crowded. The watch looks elegant with a blue dial and an 18k Armor GoldĀ® hard gold case.

There are four subdials on the dial, which are evenly distributed. The slender leaf-shaped hands are exceptionally clear and fluid, while the replica iwc watches three-dimensional Arabic numerals and orbital scales are simple and easy to read, preserving a hint of vintage style in their overall appearance. The overall look retains a hint of vintage style. Let’s take a closer look at the details. The lower half of the dial is decorated with a record pattern and printed with the IWC logo.

The outer ring at 3 o’clock features a date indicator, as well as a handy power reserve display. This is followed by a month display dial at 6 o’clock, with a slim hand pointing to the current month, making it easy to read. A four-digit year indicator is also located on its left side. At 9 o’clock, the day of the week is displayed on a dial that is also decorated with a record pattern for added depth.
The watch follows the narrower bezel of the Portuguese collection, with polished lugs and brushed side cases, in a dressy but casual style. The crown, located on the right side of the watch, is engraved with the IWC brand logo and has a non-slip pitted finish. The Portuguese Perpetual Calendar Boutique Special Edition is equipped with an in-house caliber 52610, a Breton winding system with ceramic components and a double barrel offering a 7-day power reserve. The decorative movement and the 18-carat gold oscillating weight can be seen through the transparent sapphire glass back.
The watch is fitted with a blue Santoni alligator leather strap, which has a more graphic design than the standard version. The buckle is also finely finished, giving the watch a gentleman’s elegance. In conclusion: this watch automatically recognizes the different days of the month and the leap year, and does not require any manual correction until 2100. It does not require any manual correction until 2100.