Swiss silver watches for the Chinese market Circa 1870-1890

Silver pocket watches with centre seconds by Bovet, Fleurier
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Two Swiss silver key-winding open faced pocket watches with centre seconds, made for the Chinese market, circa 1870-1890.
Fire-gilt movement with lateral lever escapements. Enamel dials with Roman radial hours, outer minutes/seconds track with Arabic fifteen minutes/seconds numerals,  centre-seconds, and blued spade hands. Silver round-shaped polished cases, one with 1549 (with prestige hallmarks) and the other unnumbered.
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Diameter: 58 mm and 55 mm
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Signed: Bovet and unsigned
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Hairlines on enamel and various types of decoration. Missing elements and repair required.