A. Lange & Söhne Datograph Up/Down Pink Gold Ref. 405.031

The A. Lange & Söhne Datograph Up/Down Pink Gold 405.031 has a 41 mm pink gold case, measures 13.1 mm thick, and is water resistant to 30 metres.

The Datograph Up/Down ref. 405.031 was introduced in 2015, a few years after the initial launch of the Up/Down Datograph (in platinum). It features the new movement with (among other changes) the added 'up/down' power reserve indicator. Ref. 405.031 features a pink gold case and a black dial with silver subdials.

Diameter: 41 mm
Thickness: 13.1 mm
Water resistance: 30 m
Case: Pink Gold
Released: 2015
Movement: A. Lange & Söhne caliber L951.6

Specifications

Case and dimensions

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

Dial

Dial colour: Black
Dial material: Silver
Indexes: Stick / Dot
Hands: Alpha

Movement

Calibre: A. Lange & Söhne caliber L951.6
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