Lange L902

Calibre L902 is a tourbillon watch movement from A. Lange & Söhne.

Cal. L902.0 was introduced in 1994 and was used in the A. Lange & Söhne Tourbillon "Pour le Mérite" through 1999. It is a tourbillon movement with Fusée & Chain. The movement features 29 jewels, 2 diamonds, and 7 chatons. The Nivarox balance spring adjusts using screws and operates at 18,000 A/h.

Description: Manual winding tourbillon movement with Fusée & Chain 320 components (plus 633 more in chain) Functions: Center hour and minute hands Subdial seconds Subdial power reserve indicator Data: D 30 mm, H 6 mm 29 jewels 18,000 A/h Power reserve: 36 hours Production period: 1994-1999