The 35.90mm platinum A. Lange & Söhne 1815 reference 206.025 contains the manual-winding L941.1 caliber and displays a silver dial.
Movement Type
Manual
Caliber
L941.1Jewels
21
Reserve
45
Frequency
21600
Hands
Small Seconds
Shape
Rectangular
Lug Distance
19.00 mm
Material
Platinum
Glass
Sapphire
Thickness
7.50 mm
Diameter
35.90 mm
Dial Color
Silver