LANGE 31
in 18-carat white gold
Reference 130.039F
Price upon request
Contact your boutique
Complimentary delivery. Please refer to our Conditions of sale for details.
The LANGE 31 is the world’s first mechanical wristwatch with a power reserve of 31 days and a patented constant-force escapement. The white-gold model has a grey dial made of solid silver. Limited to 100 pieces, this model is available exclusively in Lange boutiques.

TECHNICAL DETAILS
-
Case dimensionCase diameter: 45.9 mm
Case thickness: 15.9 mmWinding mechanismManually wound movementPower reserve744 hoursComplicationsOutsize date, Constant-force escapement, power-reserve indicator -
Reference130.039F / LSLS1303ACLimited100 piecesDial colourGrey
-
Case material18-carat white gold
Case back: sapphire glassCase dimensionCase diameter: 45.9 mm
Case thickness: 15.9 mmWater resistance3 bar -
Movement designationL034.1Number of movement parts406Winding mechanismManually wound movementPower reserve744 hoursComplicationsOutsize date, Constant-force escapement, power-reserve indicator
-
StrapBrown, Alligator leatherBuckle18-carat white goldDistance between lugs22 mm
-
All A. Lange & Söhne timepieces are developed, crafted, finished and assembled in our manufactory in Glashütte, Germany.

THE SAXONIA FAMILY
THE BEST MECHANICAL SOLUTION
The development of a SAXONIA starts with the movement. Mechanical essence is the main objective.
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.

COMPLIMENTARY DELIVERY
We offer complimentary shipping on all A. Lange & Söhne orders
SECURE PAYMENT
Safe payment via American Express, MasterCard, Visa, UnionPay and PayPal or per wire transfer
PERSONAL INTRODUCTION
Individual guidance on how to set and care for your timepiece