As part of the LANGE 1’s 25th anniversary, the German watchmaker will be releasing 25 limited pieces in the most complicated reference – featuring a tourbillon and perpetual calendar complication.
Powered by the automatic calibre L082.1, this 624-part movement (the tourbillon alone has 69 parts) can be set within a second of accuracy, and displays the day, a big date, month, and moon-phase; as part of the perpetual calendar, the watch will only need to be set once every 122.6 years as it accounts for leap years and shorter months. There is also a flyback function for the week, where the hand will jump back to Monday once Sunday has ended.
On top of the highly-ornate display at the caseback, the watch sees other luxuries such as heat-treated blue steel hands, white gold case construction, and an alligator leather strap. The movement is finished with a platinum centrifugal mass on the 21-carat “A. Lange & Söhne” gold rotor, and with a diamond endstone that holds the tourbillon together. Priced at $335,800 USD, the A. Lange & Söhne 25th Anniversary LANGE 1 Tourbillon Perpetual Calendar watch is available now at select flagships.
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