Triangular Clock Appraisal

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Haller Mid-Century Modern Triangular Anniversary Mystery Clock
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Haller Mid-Century Modern Triangular Anniversary Mystery Clock

This is a distinctive Mid-Century Modern style anniversary clock housed in a geometric, triangular wooden frame. Constructed with a medium-toned wood—likely oak or walnut with a clear satin finish—the outer casing features sharp angles that converge into a peak. The front is enclosed by three glass panes, offering an unobstructed view of the mechanical movement within. The clock face is a circular brass-rimmed dial with a multi-toned matte brown and gold finish, featuring the 'Haller' maker's mark. It utilizes minimalist hour markers at 12, 3, 6, and 9 o'clock. Below the dial is a signature four-ball rotating torsion pendulum with a gold-tone cage, a hallmark of German clockmaking. The base is an elongated rectangular wooden platform with a stepped profile. In terms of condition, the wood shows light surface scuffing and dust accumulation consistent with age, while the interior glass mirrors show some hazing. The brass elements exhibit a light patina but no major corrosion. Based on the Haller branding and the geometric 'space-age' aesthetic, this piece likely dates from the late 1960s to mid-1970s and represents a high-quality example of West German horological craftsmanship.

Estimated Value

$250 - $400

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Getting the Best Appraisal
  • Use good lighting to capture all details
  • Place item on a neutral background
  • Include any identifying marks or labels
  • Ensure the entire item is visible in frame

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