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Power Reserve

A. Lange & Söhne 1815 Up/Down: Compact Case and Blue Dial Variants Signal Dress-Watch RecalibrationTrendsSep 7, 2026·4 min readA. Lange & Söhne 1815 Up/Down: Compact Case and Blue Dial Variants Signal Dress-Watch RecalibrationThe 1815 Up/Down moves to 37.5 mm and adds blue dials. What the shift means for power-reserve complications at scale.Read article →

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