Important Modern & Vintage Timepieces
Hong Kong, May 31, 2026
UNSIGNED, ACADEMIC DEMONSTRATION CLOCK, BRASS AND PLEXIGLASS
TO BE SOLD WITHOUT RESERVE
A very rare and unusual, large, academic demonstration clock, featuring an enlarged automatic movement, housed in a custom transparent acrylic (plexiglass) display case, to allow full visibility of the self-winding mechanism.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3-6-8 |
Good Slightly oxidized Slightly scratched |
Movement: 3*-8-10 |
Good Overhaul recommended, at buyer's expense Slightly scratched Patinated |
Brand Unsigned
Model Academic Demonstration Clock
Year circa 1995-2015
Length 42cm
Height 46mm
Width 11cm