GRAND LANGE 1 MOON PHASE
in 950 platinum
Reference 139.025
This watch is fully focused on its eponymous complication. The position of the moon-phase display in the hour and minute circle allows the large-format depiction of the moon and the starry sky. The model version in platinum features a rhodié-coloured dial crafted from solid silver.

TECHNICAL DETAILS
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Case dimensionCase diameter: 41 mm, Case thickness: 9.5 mmWinding mechanismManually wound movementPower reserve72 hoursComplicationsOutsize date, moon-phase display, power-reserve indicator
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Reference139.025 / LSLS1392AADial colour{"18":"rhodi\u00e9"}
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Case material950 platinum, Case back: sapphire glassCase dimensionCase diameter: 41 mm, Case thickness: 9.5 mm
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Movement designationL095.3Number of movement parts446Winding mechanismManually wound movementPower reserve72 hoursComplicationsOutsize date, moon-phase display, power-reserve indicator
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StrapBlack, Alligator leatherBuckle950 platinumDistance between horns20 mm
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All A. Lange & Söhne timepieces are manufactured in Glashütte, Germany. We obtain our leather straps and metal bracelets from Switzerland, Italy, Austria and Germany.
GRAND LANGE 1 MOON PHASE
99.998 PER CENT PRECISION
The accurate calculation of the so-called lunation is one of the most complex issues of general lunar theory.
RELATED SELECTIONS

THE LANGE 1 FAMILY
THE LEGEND AMONG LANGE TIMEPIECES
The LANGE 1 is the result of a bold new beginning. It combines tradition and innovation and is regarded as the epitome of Lange watchmaking artistry.
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