Ref #: WGGAS21758
Langematik Perpetual Rose Gold (310.032)
The A. Lange & Sohne Langematik Perpetual (ref. 310.032) features the L922.1 mechanical automatic movement with an approximate 46-hour power reserve when fully wound; solid silver dial with applied pink gold Roman numeral hour markers; perpetual calendar with patented large double window date display at 12 o'clock, subdial indicating the month with inset leap year indicator at 3 o'clock, small seconds subdial with inset moonphase aperture located at 6 o'clock, and day-of-week subdial with inset 24-hour indicator at 9 o'clock; sapphire-crystal, transparent case back; and 38.5mm, 18k rose gold case on a hand-stitched, brown crocodile strap with an 18k rose gold ardillon buckle.
The A. Lange & Sohne Langematik Perpetual is the first automatic wrist watch with a perpetual calendar, large date, and "zero reset" mechanism that allows the calendar and moonphase subdials to be advanced individually and, with the push of a single button, collectively as well.