A. Lange & Sohne Tourbograph Perpetual “Pour Le Merite”

The TOURBOGRAPH PERPETUAL “Pour le Merite” combines five outstanding complications: fusee-and-chain transmission, tourbillon, rattrapante chronograph, and perpetual calendar. The model version in platinum features an argente-coloured dial crafted from solid silver. Limited to 50 pieces, this model is available exclusively in Lange boutiques.
Case dimension
Case diameter: 43 mm
Case thickness: 16.6 mm
Winding mechanism
Manually wound movement
Power reserve
36 hours
Complications
Calendar function, Moon-phase display, Tourbillon, Chronograph, Fusee-and-chain transmission, Day-of-week display
Reference
706.025FE / LSLS7062AC
Limited
50 pieces
Dial colour
Argente
Case material
950 platinum
Case back: sapphire glass
Case dimension
Case diameter: 43 mm
Case thickness: 16.6 mm
Water resistance
3 bar
Movement designation
L133.1
Number of movement parts
684
Winding mechanism
Manually wound movement
Power reserve
36 hours
Balance frequency
21,600 semi-oscillations per hour (3.0 Hz)
Complications
Calendar function, Moon-phase display, Tourbillon, Chronograph, Fusee-and-chain transmission, Day-of-week display
Leather Strap
Black, Alligator leather
Our alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix II
Deployant buckle
950 platinum
Distance between lugs
22 mm