Datograph Perpetual - A Lange & Sohne

PRECISION IN THE LONG AND SHORT RUN

The DATOGRAPH PERPETUAL is the first wristwatch for which Lange combined a chronograph with a perpetual calendar. Showing the date, day of week, month, and leap year, this perpetual calendar is engineered to such accuracy that it requires no adjustment until the year 2100, when a one-day correction is needed. The chronograph function allows short-time measurements with an accuracy of one-fifth of a second.

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1 ITEM