A. Lange & Sohne 1815 Rattrapante Perpetual Calendar

The 1815 RATTRAPANTE PERPETUAL CALENDAR unites three refined classic complications in a wristwatch: a chronograph with rattrapante function and a perpetual calendar. The white-gold model has a dial made of solid pink gold. Limited to 100 pieces, this model is available exclusively in Lange boutiques.
Case dimension
Case diameter: 41.9 mm
Case thickness: 14.7 mm
Winding mechanism
Manually wound movement
Power reserve
42 hours
Complications
Power-reserve indicator, Moon-phase display, Calendar function, Chronograph, Day-of-week display
Reference
421.056FE / LSLS4213AA
Limited
100 pieces
Dial colour
18-carat pink gold
Case material
18-carat white gold
Case back: sapphire glass
Case dimension
Case diameter: 41.9 mm
Case thickness: 14.7 mm
Water resistance
3 bar
Movement designation
L101.1
Number of movement parts
631
Winding mechanism
Manually wound movement
Power reserve
42 hours
Balance frequency
21,600 semi-oscillations per hour (3.0 Hz)
Complications
Power-reserve indicator, Moon-phase display, Calendar function, Chronograph, Day-of-week display
Leather Strap
Brown, Alligator leather
Our alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix II
Deployant buckle
18-carat white gold
Distance between lugs
20 mm