
Master watchmaker Ludwig Oechslin was renowned for his knack of finding the most direct solutions to the most complex problems. It was his genius for finding simplicity in complexity that was behind the first perpetual calendar timepiece in 1996. A watch that enabled forward and backward date adjustments using a single crown was unprecedented in Haute Horlogerie, and especially one that relied on so few components. Now, the Classic Perpetual Ludwig pays homage to the legend with a vintage-styled edition.
The case, in stainless steel, measures 41mm. It has an AR-coated sapphire crystal, a sapphire display back, and it is water resistant to 30 meters.

Movement is the Swiss automatic Ulysse Nardin caliber UN-33 with 34 jewels, 28,800 vph and a power reserve of 48 hours. Functions are: hours, minutes, seconds. Perpetual calendar adjustable via a single crown/ Big date in double window at 2 o'clock. Month and day of the week in the center of the dial. Years in a double window at 6 o'clock.
It has a silverized dial with blued steel hands.
It comes on a black leather strap with a steel buckle.
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