The A. Lange & Sohne 1815 Up and Down (ref. 221.021) is a dress watch with a 36 mm round case in yellow gold. It has a silver dial under sapphire crystal.
It is powered by a hand-wound mechanical movement. Features: Auf/Ab power reserve indicator, small seconds, blued steel hands, solid silver dial, transparent caseback. Water-resistant to 30 m.
This example is pre-owned and in good condition.
