ZEITWERK
in 18-carat pink gold
Reference 142.031
The new generation ZEITWERK features subtle design changes and a refined manufacture calibre that enables a double power reserve of 72 hours. The model version in pink gold features a black dial crafted from solid silver.

TECHNICAL DETAILS
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Case dimensionCase diameter: 41.9 mm
Case thickness: 12.2 mmWinding mechanismManually wound movementPower reserve72 hoursComplicationsPower-reserve indicator, constant-force escapement -
Reference142.031 / LSLS1424AGDial colourBlack
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Case material18-carat pink gold
Case back: sapphire glassCase dimensionCase diameter: 41.9 mm
Case thickness: 12.2 mmWater resistance3 bar -
Movement designationL043.6Number of movement parts462Winding mechanismManually wound movementPower reserve72 hoursComplicationsPower-reserve indicator, constant-force escapement
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StrapBlack, Alligator leatherOur alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix IIBuckle18-carat pink goldDistance between lugs20 mm
ZEITWERK 360º
ZEITWERK
When we developed the ZEITWERK, we questioned everything – except for the mechanical heart.

THE ZEITWERK FAMILY
THE NEW ERA OF THE MECHANICAL WATCH
When they developed the ZEITWERK, Lange's engineers questioned everything – except the mechanical paradigm.
HOW CAN WE BE OF SERVICE?
Whether you are in search of a specific model, have questions out of interest or need a service request for your timepiece – we are delighted to help you. We are at your service by phone, email or in one of our boutiques.

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PERSONAL INTRODUCTION
Individual guidance on how to set and care for your timepiece