Swiss. A 14K gold hunter case double-dialled calendar keyless lever watch

Swiss. A 14K gold hunter case double-dialled calendar keyless lever watch
Unsigned, circa 1900
With nickel-finished jewelled lever movement, bi-metallic compensation balance, the white enamel hour dial with Roman numerals, outer Arabic five minute divisions, subsidiary seconds, the second dial with glazed center revealing the movement, outer white enamel chapter ring with Arabic date and German day indication with central hands, in circular engine-turned case with engraved initials to the front and engraved coat of arms to the reverse, unsigned
52mm diam