LANGEMATIK PERPETUAL
in 18-carat white gold
Reference 310.028 E
When the LANGEMATIK PERPETUAL was launched in 2001, it was the first mechanical wristwatch that combined a perpetual calendar with a Lange outsize date. The white-gold model has a blue dial made of solid silver. Limited to 50 pieces, this model is available exclusively in Lange boutiques.
Technical Details
-
Case dimensionCase diameter: 38.5 mm
Case thickness: 10.2 mmWinding mechanismSelf-winding movementPower reserve46 hoursComplicationsOutsize date, calendar function, moon-phase display, day/night indicator, zero reset, day-of-week display -
Reference310.028 E / LSLS3103AGLimited50 piecesDial colourBlue
-
Case material18-carat white gold
Case back: sapphire glassCase dimensionCase diameter: 38.5 mm
Case thickness: 10.2 mmWater resistance3 bar -
Movement designationL922.1Number of movement parts478Winding mechanismSelf-winding movementPower reserve46 hoursBalance frequency21,600 semi-oscillations per hour (3.0 Hz)ComplicationsOutsize date, calendar function, moon-phase display, day/night indicator, zero reset, day-of-week display
-
Leather StrapDark Blue, Alligator leatherOur alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix IIProng buckle18-carat white gold
