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A. Lange & Söhne

A. Lange & Söhne Datograph Up/Down — Price on Request

A. Lange & Söhne Datograph Up/Down — Price on Request

Price on request

A. Lange & Söhne Datograph Up/Down

Manufacturer specifications for reference 405.031:

  • Movement: manually wound calibre L951.6
  • Power reserve: 60 hours when fully wound
  • Chronograph: column-wheel mechanism with flyback and precisely jumping minute counter
  • Displays: hours, minutes, small seconds, outsize date and power-reserve indicator
  • Case: 18-carat pink gold, 41 mm diameter, 13.1 mm thick
  • Case back: sapphire crystal
  • Frequency: 18,000 semi-oscillations per hour (2.5 Hz)
  • Movement components: 451
  • Factory water-resistance rating: 3 bar

Model identification is based on the photograph. Please contact us to confirm the exact reference and this watch’s condition, service history and current water resistance.

Source: A. Lange & Söhne technical specifications

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