A. Lange & Söhne
LANGE 31 - 130.039 130.039F
45.9mmCurrent Production
The LANGE 31 is the world’s first mechanical wristwatch with a power reserve of 31 days. The white-gold model has a grey dial made of solid silver. Limited to 100 pieces, this model is available exclusively in Lange boutiques.
Source: A. Lange & Söhne website, last updated Mar 2026
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