A. Lange & Söhne 1815 Up/Down traces its roots to pocket-watch power reserves
A. Lange & Söhne’s 1815 Up/Down has been in the catalogue since 1997, drawing on a 19th-century Lange power-reserve patent. Its offset subdials display running seconds and remaining power at 4 and 8 o’clock. A newly introduced 37.5mm pair features blue dials with white subdials and production limited to 300 examples each.
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