A GEORGE III GILTMETAL PAIR-CASED COACH WATCH, the white enamel dial with eccentric Roman and Arabic chapter ring with later hands, subsidiary dials for lunar calendar and day of week flanking a jump 1/5 seconds ring, outer sweep centre second, the twin chain fusee movement signed Jno. Bittleston London 1691 on the foliate engraved top plate, diamond endstone to foliate pierced and footed cock of the cylinder escapement, strike on bell within the inner case with foliate pierced and engraved band, the centre engraved with a spray of flowers, similarly engraved outer case