細節
A 'PRISMA' DESK CLOCK, BY CARTIER
The cream square dial with Roman numerals reflected through a set of crystal prisms and invisible at certain angles, within a reeded rectangular case, quartz movement, circa 1980, 9.7 cm. high
Dial signed Cartier, base interior signed Cartier Paris, No. 215393, base with Cartier maker's mark, Nos. 10056 & 612546