A. Lange & Söhne Datograph Perpetual
Movement
Manually wound
Size
41 mm

Overview

The Datograph Perpetual in a 41 mm case

The A. Lange & Söhne Datograph Perpetual, reference 410.136 E, in a 950 platinum case, 41 mm across and 13.5 mm high, with a rhodié dial. Manually wound calibre L952.1 with outsize date, day/night indicator, moon-phase display, chronograph, day-of-week display and perpetual calendar, on a 950 platinum bracelet with a platinum deployant buckle.

This execution is in 950 platinum, on a 950 platinum bracelet with a platinum deployant buckle. The dial is rhodié with diamond markers. Lange limits this version to 50 pieces.

Lange presents the Datograph Perpetual as its first wristwatch to hold a chronograph, an outsize date and a perpetual calendar in one case. It is made in white gold and in platinum on the same calibre.

The movement is calibre L952.1, manually wound, with 556 parts, a reserve of 36 hours and a balance beating at 18,000 semi-oscillations an hour (2.5 Hz). Lange lists the outsize date, day/night indicator, moon-phase display, chronograph, day-of-week display and perpetual calendar. The case is 13.5 mm high, water resistant to 3 bar, with a sapphire glass case back.

For collectors

The white gold and platinum versions of the Datograph Perpetual share calibre L952.1 and a 41 mm case 13.5 mm high. They differ in case metal, dial and what holds the watch on the wrist: a leather strap or a bracelet.

Key details

Case material950 platinum
MovementL952.1, manually wound
CollectionSaxonia

Design and engineering

  • DialA rhodié dial with diamond markers.
  • Chronograph and calendarLange names the combination of chronograph, perpetual calendar and outsize date as a first for its wristwatches. The day/night indicator, moon-phase display and day-of-week display are listed with them.
  • Case950 platinum, 41 mm across and 13.5 mm high, with a sapphire glass case back and water resistance of 3 bar.
  • Strap and claspA 950 platinum bracelet, closed with a 950 platinum deployant buckle.

Calibre L952.1

  • Manually wound
  • Outsize date, day/night indicator, moon-phase display, chronograph, day-of-week display and perpetual calendar
  • 556 parts
  • 18,000 semi-oscillations per hour (2.5 Hz)
  • Power reserve 36 hours

The reference

Technical specifications

Datograph Perpetual
Reference410.136 E
CollectionSaxonia
CalibreL952.1
MovementManually wound
FunctionsOutsize date, day/night indicator, moon-phase display, chronograph, day-of-week display, perpetual calendar
Power reserve36 hours
Frequency18,000 semi-oscillations per hour (2.5 Hz)
Movement parts556
Case dimensions41 mm
Case height13.5 mm
Case material950 platinum
Case backSapphire glass
Water resistance3 bar
DialRhodié
Bracelet950 platinum
Clasp950 platinum deployant buckle
Limited edition50 pieces

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Datograph Perpetual · Ref. 410.136 E

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