A. Lange & Söhne Datograph Up/Down Platinum Lumen Ref. 405.034

The A. Lange & Söhne Datograph Up/Down Platinum Lumen 405.034 has a 41 mm platinum case, measures 13.1 mm thick, and is water resistant to 30 metres.

The A. Lange & Soehne Datograph Lumen was introduced in October of 2018. This limited edition of 200 pieces features a platinum case and the signature 'Lumen' combination of a see-through dial and generous luminous material. The latter is applied to the time indications, the outsize date, the chronograph functions and the power reserve indicator.

Diameter: 41 mm
Thickness: 13.1 mm
Water resistance: 30 m
Case: Platinum
Released: 2018
Movement: A. Lange & Söhne caliber L951.7

Specifications

Case and dimensions

Case diameter: 41 mm
Thickness: 13.1 mm
Lug width: 20 mm
Case shape: Round
Case material: Platinum
Crystal: Sapphire
Case back: Open
Water resistance: 30 m

Dial

Dial colour: See-through
Indexes: Stick / Dot
Hands: Alpha

Movement

Calibre: A. Lange & Söhne caliber L951.7
Movement maker: A. Lange & Söhne
Movement type: Handwound
Display: Analog
Power reserve: 60 h
Frequency: 18000 vph
Jewels: 46
Movement diameter: 30.6 mm
Complications: Big Date, Chronograph, Flyback, Hours, Minutes, Power Reserve Indicator and Small Seconds