A Lange & Sohne 410.025 Datograph Perpetual Mens Watch Watch Information

Itemnumber:		410.025
Brand:		A Lange & Sohne
StyleNumber:		410.025
AlsoCalled:		410025, 410-025, 410025FE, 410025E, DATO PERPETUAL
Series:		Datograph Perpetual
Style (Gender):		Mens
Case:		Platinum
DialColor:		Silver
Movement:		Manual Winding COSC
Engine:		L952.1 (18,000 vph, 45 rubies)
Functions:		Hours, Minutes, Chronograph, Perpetual calendar, Tachometer (on flange)
WatchChronograph:		1/5 second flyback chronograph with jumping minute counter. The precise minute counter at 4 o'clock prevents misreadings of the minutes by jumping through one minute intervals. With a single press of the chrono flyback button, the chronograph is reset and instantly restarts. The chronograph is driven by a classic column wheel.
Crystal:		Sapphire - Anti-reflective
Case Diameter:		41.0mm
CaseThickness:		13.5mm
Caseback:		Transparent Exhibition Display Back secured by six screws with Hallmarks and Lange engravings
BezelMaterial:		Platinum
BezelFunction:		Fixed
Mass:		153.1 g
Crown:		Platinum, Fluted with A Lange Soehne engraving
Calendar:		Perpetual calendar: large date, moon-phase, day-of-week, month, leap-year, day/night indicator
PowerReserve:		36-hour power reserve
WatchBracelet / Strap:		Leather - Black Crocodile with 7 perforations.
WatchClasp:		Platinum Tang Buckle. Hallmarked, engraved LANGE.
WatchBracelet Length:		8.5inches
WatchBracelet Width:		17.0 - 20.0mm
AdditionalInfo:		Plates and bridges are made of untreated German silver decorated with perlage and Glashutte ribbing. The plates, bridges, whiplash spring and classic column wheel are chamfered and polished. The balance cock is hand-engraved. The large two-digit date apperture is at 12. The day of the week subdial is at 8, with the small day/night indicator dial just above it. The moon-phase display is at 6 o'clock. The month subdial is at 4 o'clock, with the small leap-year dial just below it.

A. Lange & Söhne was first established in 1845 by Adolph Lange in Glasshutte. The firm established itself as makers of distinctive and fine timepieces - its pocket watches were prized by European gentry. Following the Second World War, the factory was seized by what was then East Germany. Walter Lange, the company's heir fled. It was only after the German reunification in 1990, that the founder's great grandson, Walter Lange, began reviving the company. With funding from LMH, the newly reformed company set out to restore its fine watchmaking tradition. The company was sold to the luxury conglomerate in July 2000. Although its watch parts may be cut with exceptional precision by the most advanced computer-aided machine tools, they are still finished, decorated and engraved by the skilled hands of some of the world's finest watchmakers.

A Lange & Sohne 410.025 Datograph Perpetual Mens Watch Watch Details

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A Lange & Sohne 410.025 Datograph Perpetual Mens Watch Original Picture