In watchmaking sometimes appearances can be deceiving, and behind the most simple looking designs can lie incredibly complex timekeeping. Panerai’s Luminor Perpetual Calendar is a case in point; its clean, balanced dial punctuated only by a pared-back GMT counter and day and date indication. It’s only the inscription, ‘calendario perpetuo’, at six o’clock that hints to the innovation within.

At its heart is the new P.4100 movement, developed in-house at Panerai’s Laboratorio di Idee. It incorporates a perpetual calendar, one of horology’s most challenging complications, which accurately displays the date while accounting for the different lengths of months and leap years. Despite this functionality, the calibre is just 7mm thick and features dual barrels bringing a power reserve of up to three days.

This intricate piece of timekeeping is presented in a duo of options befitting of the craftsmanship that has gone into every element of the watch. Panerai’s proprietary material Goldtech lends the case a rich red hue, with the metal also including platinum that stops it from oxidising. This is paired with a handsome deep-blue sun-brushed dial for a limited-edition of 270. A second iteration in hard-wearing, luxe Platinumtech comes matched with a contemporary green dial in a run of 100 pieces, with both watches available exclusively at Panerai boutiques.

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