細節
An interesting gold open face pocket watch with double duplex escapement
Circa 1820
The frosted gilt bar movement with hanging barrel, the three armed monometallic balance with parachute shock absorbtion, bimetallic temperature curb, blued steel hairspring, steel double duplex escape wheel, jewelled impulse stone, under hinged cuvette, the white enamel dial with Turkish numerals and blued steel moon hands, in engine turned open face case with ribbed band
53 mm.