A white gold manual-winding Jumping Hour and Minute wristwatch, Reference 140.029, with power reserve indication (36 hours), circa 2009.
Diameter: 42 mm.
The Zeitwerk is Lange's first watch with a digital display, first introduced in 2009.
An extra slim automatic pink gold wristwatch, Ref. 43043, circa 2011. Accompanied by its certificate.
Dimensions : 35 x 35 mm.
This model is one of the world's slimest one ever produced (2,45 mm thickness).