Swiss gold decorative double faced pocket watch Circa 1888

Decorative open faced watch by Girard Perregaux
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A Swiss decorative, very fine double faced gentleman’s pocket watch with original certificate, circa 1888.
18-carat gold à goutte case with engine turned bezels and engine-turned band.
Two dials: front side – silvered, florally engraved, with applied floral gold ornaments, inlaid radial Roman hours, extra seconds and blued spade hands; reverse side – silvered, with applied floral gold ornaments, outer ring for date indication, subsidiary dials for day and month indication, aperture for moon phase with cobalt blue enamelled moon phase disc with inlaid golden moon and stars and blued hands.
Rhodium-plated signed bridge movement with fausses côtes decoration, gold screw compensation balance and counterpoised lever.
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Diameter: 51 mm
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Weight: 151 g. 
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Signed: Girard Perregaux, Chaux de Fonds