LANGE 1 TOURBILLON PERPETUAL CALENDAR “25th Anniversary”
in 750 white gold
Reference 720.066FE
This reference is presently not manufactured and not part of our current collection. Our A. Lange & Sӧhne Ambassador will be happy to answer any further questions.
The LANGE 1 TOURBILLON PERPETUAL CALENDAR is the most complex member of the LANGE 1 family. It takes a glance through the sapphire-crystal caseback to reveal its tourbillon. The model version in white gold features an argenté-coloured dial crafted from solid silver. Limited to 25 pieces, this model of the “25th Anniversary” edition is available exclusively in Lange boutiques.
Technical Details
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Case dimensionCase diameter: 41.9 mm
Case thickness: 12.2 mmWinding mechanismSelf-winding movementPower reserve50 hoursFunctionsOutsize date, Calendar function, Moon-phase display, Tourbillon, Day-of-week display, Day/night indicator -
Reference720.066FE / LSLS7203AVLimited25 piecesDial colourArgenté
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Case material18-carat white gold
Case back: sapphire glassCase dimensionCase diameter: 41.9 mm
Case thickness: 12.2 mmWater resistance3 bar -
Movement designationL082.1Number of movement parts624Winding mechanismSelf-winding movementPower reserve50 hoursBalance frequency21.600 semi-oscillations per hour (3,0 Hz)FunctionsOutsize date, Calendar function, Moon-phase display, Tourbillon, Day-of-week display, Day/night indicator
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Leather StrapBlue with gray seam, Alligator leatherOur alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix IIDeployant buckle18-carat white goldDistance between lugs22 mm
