Meet The Newest A. Lange & Sohne 25th Anniversary Watch: Lange 1 Tourbillon Perpetual Calendar

Earlier this year at the Salon International de la Haute Horlogerie (SIHH) show in Geneva, German watch brand A. Lange & Sohne unveiled its first watch in a series of watches this year that is dubbed the 25th Anniversary watches. The newest watch in the series (unveiled today as the third anniversary piece)  is the Lange…

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