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This wonderful clock is a highly recognizable vintage collaboration featuring a Junghans-branded dial built on a mechanical movement manufactured by Siegfried Haller. The movement model is the S. Haller mechanism, uniquely integrated with a Junghans aesthetic finish.
The pics shows a vintage brass skeleton desk clock featuring the Junghans brand name on its exposed mechanical movement face with Roman numerals.
A Junghans or S. Haller 400-day clock (often called an anniversary or torsion pendulum clock) is a mechanical timepiece designed to run for roughly 400 days on a single winding. Made mostly in West Germany from the 1950s through the 1980s, S. Haller clocks were also frequently co-branded and distributed by companies like Elgin.
The Figure-8 Mainspring: Unlike older anniversary clocks that lose power as they unwind, these skeleton movements often use a unique, flat ribbon stainless steel spring in a figure-eight configuration between two spools. This delivers constant, even power all year long. Magnetic
Centering: Many Haller skeleton movements feature a magnetic bearing system. This helps keep the pendulum floating and centered, making it significantly less finicky to level than traditional 400-day clocks. Video Here:
