A. Lange & Söhne reference

A. Lange & Söhne · Saxonia

Datograph Up/Down Pink Gold

405.031
Pink GoldBlackHandwound41mm0m

Retail price 75,700 (2020)

See listings on Tempo →

Case

Diameter

41.00 mm

Height

13.10 mm

Lug Width

20.00 mm

Material

Pink Gold

Glass

Sapphire

Caseback

Open

Water Resistance

0.00 m

Dial

Color

Black

Indexes

Stick / Dot

Hands

Alpha

Other

Gender

M

Production

2015–present

Movement Specs

Caliber

L951.6

A. Lange & Söhne in-house

Caliber Brand

A. Lange & Söhne

Type

Handwound

Manual winding

Power Reserve

60 h

2.5 days

Frequency

18000 bph

5.0 Hz

Jewels

46

Complications

Power Reserve Indicator, Chronograph, Flyback, Big Date, Hours, Minutes, Small Seconds

About the Movement

L951.6 movement

The L951.6 is the current-generation Datograph calibre and one of the most admired chronograph movements in watchmaking. It is a hand-wound flyback chronograph with a column wheel, lateral clutch, and an outsize date mechanism — all integrated into a movement of 30.6mm diameter. The column wheel coordinates all chronograph switching operations with mechanical precision; the flyback function resets and immediately restarts the chronograph with a single push rather than requiring three separate operations. Every one of the 451 components is finished by hand, including the sharply polished reentrant angles that are one of the most labour-intensive finishing operations in fine watchmaking — a process that cannot be automated and can only be executed by a skilled craftsman.

About the Family

The Saxonia family takes its name from the German state of Saxony, home to Glashütte and the Saxon watchmaking tradition. It is A. Lange & Söhne’s most versatile family — spanning dress watches of extreme thinness like the Saxonia Thin, complex chronographs like the Datograph, and sophisticated complications including the Annual Calendar and Double Split rattrapante. What unifies the family is a commitment to restraint in design: clean dials, precise proportions, and finishing that rewards examination under magnification rather than impressing at first glance. The Saxonia represents the breadth of what A. Lange & Söhne can do when not constrained by a single complication or design brief.

About this reference

The Datograph is widely regarded as one of the finest flyback chronographs ever made — a watch that set the standard for the category when it debuted in 1999 and has only refined that position since. The L951.6 calibre features a column wheel chronograph with a lateral clutch, outsize date, and a power reserve indicator that gives the reference its Up/Down designation. Every one of the 451 parts is lavishly hand-finished, with sharply polished reentrant angles that can only be executed by hand. The pink gold case at 41mm gives the Datograph a warmth that complements its black dial and blued steel hands — a combination that collectors have come to regard as one of the definitive expressions of the German watchmaking tradition.

Watch images © WatchBase