Dumergue Angoulesme. A Fine and Rare Large Silver Oignon Watch with Single-hand and Alarm

Dumergue Angoulesme. A Fine and Rare Large Silver Oignon Watch with Single-hand and Alarm
Signed, Dumergue Angoulesme, Circa 1690
Brass full-plate verge movement, chain fusée, large three-arm balance, pierced and engraved balance cock, silvered Tompion-type rack and pinion regulator, vase pillars, fixed pierced and engraved brass barrel, steel train, winding barrel for alarm, single hammer striking a bell in the case back, silvered dial, outer Roman chapter ring, revolving inner silver alarm dial with Arabic numerals, floral center design, single hand, oversized circular case pierced and engraved band decorated with inhabited foliage and a winged cherub, polished back, movement signed
60mm diam.