Datograph Perpetual Tourbillon - A. Lange & Söhne
Datograph
A. Lange & Söhne
Watch characteristics
Case
41.50mm
Platinum
Movement
Manual-winding mechanical
Power reserve: 50H
Frequency: 18000 Alt/H
Dial
Silver
Bracelet/Strap
Leather
Pin buckle
Functions and complications
Flyback chronograph
Hours
Minutes
Moonphase
Perpetual calendar
Power reserve indicator
Seconds
Tourbillon