Launched in 2001, the LANGEMATIK PERPETUAL is is the world’s first self-winding wristwatch with an outsize date display and a perpetual calendar whose displays can be individually corrected but also collectively advanced. In 2007, a new version with a precious pink-gold case and a silver dial was introduced.

With its numerous innovations, the LANGEMATIK PERPETUAL is very much in keeping with the Lange claim: “State-of-the-Art Tradition”. And at Lange, this does not mean preserving the ashes but kindling the fire. After all, this timepiece unites the Lange tradition of perpetual calendars from the second half of the 19th century with technical refinements that represent the pinnacle of precision watchmaking today.

With its unique combination of a perpetual calendar, the Lange outsize date, the ingenious ZERO-RESET mechanism, the main push piece for collectively advancing all calendar indications, and with its unmatched precision, it is a true benchmark. Once correctly set, the date display remains accurate until the next secular year occurs: on 28 February 2100, it needs to be advanced by one day. The moon-phase mechanism is also stunningly accurate. After 122.6 years of uninterrupted operation, it deviates from synodic lunation by merely one day.

With its Roman numerals, the balanced dial of the LANGEMATIK PERPETUAL is clearly structured and, despite the diversity of displays – hours, minutes, small seconds, a separate 24-hour display with day/night indicator, date, day of week, month, leap year, and moon phase – eminently legible. Prominent lancet hands sweep its face, dominated in the upper half by the Lange outsize date. Available so far in platinum and yellow-gold versions, the LANGEMATIK PERPETUAL now has a strikingly radiant pink-gold sibling with a bright silver dial and appliques in pink gold.

Technical details
Model: LANGEMATIK PERPETUAL in pink gold
Reference: LANGEMATIK PERPETUAL, Ref.: 310.032

Lange manufacture calibre L922.1 SAX-0-MAT, selfwinding, crafted to the highest Lange quality standards and largely assembled and decorated by hand; precision-adjusted in five positions; three quarter plate made of untreated cross-laminated German silver with integrated three-quarter rotor made of 21-carat gold and a platinum segment, reversing and reduction gear with four ball bearings; balance cock engraved by hand; Movement parts: 478; Jewels: 43; Escapement: Lever escapement; Balance: Shock-resistant glucydur screw balance, Nivarox hairspring balance with a frequency of 21,600 semi-oscillations per hour, whiplash precision index adjuster with patented beat adjustment mechanism; Power reserve: 46 hours when fully wound.

Time indicated in hours, minutes, and small seconds, stop seconds with ZERO-RESET mechanism, perpetual calendar with outsize date, moon-phase display, day-of-week, month, four-year/leap-year, and day/night indications

Operating elements
Crown for winding the watch and setting the time, a universal corrector for simultaneously advancing all calendar displays plus one push piece each for the day of the week, the month, and the moon phase (recessed)

Case, dial & strap
Case: Diameter 38.5 millimetres, pink gold
Glass and caseback: Sapphire crystal (hardness 9)
Dial: Solid silver, argenté
Hands: Pink gold, luminous
Strap: Crocodile strap with precious-metal Lange prong buckle in solid pink gold

Also available
LANGEMATIK PERPETUAL Platinum, Ref.: 310.025

Movement: Lange manufacture calibre L922.1 SAX-O-MAT, self-winding, bidirectional winding rotor, 46 hours power reserve.
Functions: Hours and minutes indication, small seconds hand. Patented ZERO- RESET mechanism. Perpetual calendar with patented outsize date, day of week, month, 4-year and leap-year display. Moon-phase display. Day/ Night indicator.
Case: Ø 38.5 mm, platinum.
Dial: Solid sivler, rhodié. Hour and minute hands luminous.
Hands: Rhodiumed gold.
Glass and Caseback: Sapphire crystal glass.
Strap: Hand-stitched crocodile strap buckle in platinum.

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