The A. Lange & Sohne Langematik-Perpetual watch is one of the most harmonious, and classically beautiful perpetual calendars out there. If legendary Swiss perpetual calendar watch classics such as the Patek Philippe Ref. 3940, the Audemars Piguet Royal Oak Perpetual Calendar, or some of Vacheron Constantin’s contributions to this genre, get you weak in the knees–you owe it to yourself to check out the Langematik-Perpetual. Like all A. Lange & Sohne watches, the casework on the Langematik-Perpetual impresses immediately, with its sublime contrast between polished and brushed surfaces, and its delicious heft, a calling card always present in A. Lange & Sohne watches. The solid silver dial has some of the best symmetry in any perpetual calendar watch, with the calendar indications and the famous outsize date display offering perfect balance, visually. Other details that really bring this fantastic dial to life, are the stunning A. Lange sword-shaped hands, and the extremely beautiful moonphase indicator. If you obsess over movements, and demand them to be exclusive, unique and/or finely finished, this watch will likewise blow you away. The manufacture A. Lange & Sohne Sax-0-Mat movement is one of the most stunning self-winding calibers made by anyone, with all the characteristic finishing flourishes and technical innovation that have rightly made A. Lange a household name with connoisseurs. At 38.5mm in diameter, and around 10mm tall, this very complicated watch presents itself with great deal of understatement—this is not a watch trying to keep up with the trend for super-sized timepieces; its presence derives from its exceptional finishing and many fine details. Yet another reason why the A. Lange & Sohne Langematik-Perpetual deserves to be among the top choices on any dream-worthy list of classical perpetual calendar watches.