Anon. An unusual silver keyless mystery pocketwatch
Unsigned, second half 19th Century
The frosted gilt movement with cylinder escapement driving two glass discs to which the hands are attached, the eccentric glass dial with Roman numerals and Arabic five minute divisions, in chased and engraved silver surround, visible through the glazed front and back covers, in plain case, with a length of chain and key
54 mm. diam.