1815 Rattrapante Perpetual Calendar

• Case: 18-karat rose gold
• Size: 41.9mm
• Movement: hand-wound manufacture caliber L101.1
• Function: rattrapante chronograph, moon phase, perpetual calendar
• Power Reserve: approximately 42 hours
• Dial: silver
• Caseback: sapphire crystal
• Strap/Bracelet: hand-stitched crocodile
• Factory Warranty: two years

The name of the 1815 Rattrapante perpetual Calendar refers to the birth year of Ferdinand A. Lange. It unites two refined classic complications: a split-seconds chronograph and a perpetual calendar.

Functions: Hours and minutes. Subsidiary seconds dial with stop seconds. Rattrapante chronograph with minute counter. Perpetual calendar with date, day-of-week, month, and leap-year display. Moon-phase display. Up/Down power-reserve indicator, 42 hours power reserve.