Case
- Material
- 18k white gold
- Diameter in mm
- 40 mm
- Height
- 10,1 mm
- Case back
- sapphire crystal case back
- Watch glass
- sapphire crystal
- Diamond bezel
- No
- Water resistance
- 3 bar
Movement
- Movement type
- hand-wound movement
- Caliber
- L051.3
- Manufacture caliber
- Power Reserve
- 72 Hours
Functions
- Second
- small seconds
- Moon Phase dashboard
- Annual calendar
Dial
- Dial color
- silver
- Hour marker
- Arabic
Strap
- Bracelet material
- alligator
- Bracelet color
- black
- Clasp material
- 18k white gold
- Clasp color
- pin clasp
Manufacturer specifications
- Reference
- 238.026E
- Warranty
- 2 years’ manufacturer warranty plus 1 year Wempe warranty
Lange sees the 1815 annual calendar as a tribute to the pocket watch. The hand-wound manufacture caliber L051.3 displays the day, day of the week, month and the moon phase, which is calculated to an accuracy of 122.6 years. The moon and stars in white gold stand out against an intense blue color of the sky. The hour and minute hands show blued hands centrally. The case is made of 18k white gold and measures 40 x 10.1 millimeters.













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