A. Lange & Söhne Datograph Perpetual Tourbillon
Limited Edition

A. Lange & Söhne

Datograph Perpetual Tourbillon

Reference: 740.056FE / LSLS7403AT

The A. Lange & Söhne Datograph Perpetual Tourbillon, reference 740.056FE / LSLS7403AT, is a limited-edition 41.5 mm watch in 18k white gold with an 18-carat pink gold dial. Inside is the calibre L952.1, a hand-wound movement with a 50-hour power reserve, visible through an exhibition case back. It lists outsize date, calendar function and moon-phase display among its complications and comes on a brown leather strap.

Case Information+

Case Size: 41.5 mm

Case Material: 18k White Gold

Case Back: Exhibition

Crystal: Sapphire

Movement+

Type: Mechanical Manual

Calibre: L952.1

Power Reserve: 50 hours

Jewels: 57

Frequency: 2.5 Hz

VPH: 18,000

Complications: Outsize Date, Calendar Function, Moon-phase Display, Tourbillon, Chronograph, Day/night Indicator, Power Reserve Indicator, Day-of-week Display

Other+

Bracelet Material: Leather

Bracelet Colour: Brown

Dial Colour: 18-carat Pink Gold

Water Resistance: 30 meters

Limited Edition: Yes

Questions about this watch+
What movement is in the A. Lange & Söhne Datograph Perpetual Tourbillon?
The A. Lange & Söhne Datograph Perpetual Tourbillon uses the calibre L952.1, a hand-wound movement with a 50-hour power reserve and 57 jewels.
How big is the A. Lange & Söhne Datograph Perpetual Tourbillon?
The case measures 41.5 mm across and is made of 18k white gold.
What complications does the A. Lange & Söhne Datograph Perpetual Tourbillon have?
Its complications are listed as outsize date, calendar function and moon-phase display.
How water resistant is the A. Lange & Söhne Datograph Perpetual Tourbillon?
It is rated to 30 m.
Incorrect or missing information? Let us know!
The data is collected from publicly available sources and may contain inaccuracies.