Ulysse Breting. An 18K gold openface two train dual time independent seconds cylinder watch with flying 4ths of a second

Ulysse Breting. An 18K gold openface two train dual time independent seconds cylinder watch with flying 4ths of a second
Signed Ulysse Breting, Locle, No. 10684, circa 1860
With three quarter plate nickel-finished two train cylinder movement wound independently, 21 jewels, bimetallic compensation balance, the white enamel dial with outer Arabic five minute divisions, independent sweep centre seconds, two small dials indicating the two time zones, flying 1/4ths of a second, in engine-turned circular case with independent seconds start/stop lever in the band, case numbered and stamped with casemaker's initials DG, dial signed, cuvette signed and numbered
51 mm. diam.