A. Lange & Sohne 1815 Tourbillon

For the first time, in the 1815 TOURBILLON, A. Lange & Sohne combined the patented stop-seconds mechanism for the tourbillon with the ZERO-RESET time-setting mechanism. The model version in pink gold features an argente-coloured dial crafted from solid silver.
Case dimension
Case diameter: 39.5 mm
Case thickness: 11.1 mm
Winding mechanism
Manually wound movement
Power reserve
72 hours
Complications
Tourbillon, zero reset
Reference
730.032F / LSLS7304AC
Dial colour
Argente
Case material
18-carat pink gold
Case back: sapphire glass
Case dimension
Case diameter: 39.5 mm
Case thickness: 11.1 mm
Water resistance
3 bar
Movement designation
L102.1
Number of movement parts
262
Winding mechanism
Manually wound movement
Power reserve
72 hours
Balance frequency
21,600 semi-oscillations per hour (3.0 Hz)
Complications
Tourbillon, zero reset
Leather Strap
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 pink gold