Brand: A Lange & Sohne
Style Number: 410.025
Also Called: 410025
Series: Datograph Perpetual
Style: Mens
Case: Platinum
Dial Color: Silver
Watch Bracelet / Strap: Leather - Black Crocodile with 7 perforations.
Watch Clasp: Platinum Tang Buckle. Hallmarked, engraved LANGE.
Movement: Manual Winding COSC
Engine: L952.1 (18,000 vph, 45 rubies)
Functions: Hours, Minutes, Chronograph, Perpetual calendar, Tachometer (on flange)
Watch Chronograph: 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: 41.0 mm
Case Thickness: 13.5 mm
Caseback: Transparent Exhibition Display Back secured by six screws with Hallmarks and Lange engravings
Bezel Material: Platinum
Bezel Function: 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
Power Reserve: 36-hour power reserve
Watch Bracelet Length: 8.5 inches
Watch Bracelet Width: 17.0 - 20.0 mm
Style Number: 410.025
Also Called: 410025
Series: Datograph Perpetual
Style: Mens
Case: Platinum
Dial Color: Silver
Watch Bracelet / Strap: Leather - Black Crocodile with 7 perforations.
Watch Clasp: Platinum Tang Buckle. Hallmarked, engraved LANGE.
Movement: Manual Winding COSC
Engine: L952.1 (18,000 vph, 45 rubies)
Functions: Hours, Minutes, Chronograph, Perpetual calendar, Tachometer (on flange)
Watch Chronograph: 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: 41.0 mm
Case Thickness: 13.5 mm
Caseback: Transparent Exhibition Display Back secured by six screws with Hallmarks and Lange engravings
Bezel Material: Platinum
Bezel Function: 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
Power Reserve: 36-hour power reserve
Watch Bracelet Length: 8.5 inches
Watch Bracelet Width: 17.0 - 20.0 mm