Breguet. An 18 carat gold openface quarter repeating keyless pocketwatch retailed by Breguet

Breguet. An 18 carat gold openface quarter repeating keyless pocketwatch retailed by Breguet
Signed Breguet, No. 4006, 1870s
The nickel plated movement jewelled through to the hammers with bimetallic balance, repeating quarters on two gongs by operating a slide in the band, the white enamel dial with Roman numerals, Arabic five minute divisions, subsidiary seconds and blued steel spade hands, in plain circular case with engraved monogram to the reverse, cuvette signed and numbered
50 mm. diam.