Lange L903

The L903.0 is a calibre by A. Lange & Söhne.

Manual winding manufacture movement with minute tourbillon (with fusée-and-chain transmission), chronograph with rattrapante function.

Used in the model A. Lange & Söhne Tourbograph "Pour le Mérite".

Description: Manual winding movement Chronograph bridge engraved by hand Shock-resistant Glucydur screw balance Plate and bridges from natural nickel silver Functions: Hours, minutes Power reserve indicator Minute tourbillon with fusée-and-chain transmission Chronograph with rattrapante function Data: Ø 30.0 mm, height: 8.9 mm 43 jewels, including 2 diamond capstones 21,600 A/h Number of components: 465 (without chain), including bogie: 84 Power reserve 36 h Production period: From 2005