The Grand Langematik 309.025 was listed in A. Lange & Söhne catalogs from 2003 to 2007, showcasing a 40.5mm platinum case, a silver dial, and an automatic movement.
Movement Type
Automatic
Caliber
L921.4Jewels
45
Reserve
46
Frequency
21600
Hands
Small Seconds
Lug Distance
20.00 mm
Material
Platinum
Glass
Sapphire
Thickness
10.70 mm
Diameter
40.50 mm
Dial Color
Silver
