细节
JOHN ADAM MANGAAR. A GOLD AND ENAMEL OPENFACE KEYWOUND VERGE WATCH
SIGNED JA MANGAAR, LONDON, NO. 944, CASE STAMPED RP, CIRCA 1780
Chain fusée verge movement, white enamel dial, Roman numerals, the circular case with pale blue and white champlevé enamel bezels, pendant and bow, the reverse with central translucent blue enamel guilloché ground with red, green and gold enamel scroll and foliate motifs throughtout, movement signed and numbered, case stamped RP
49 mm. diam.