Swiss gold precision watch for American market Circa 1888

Girard Perregaux’ patented three bridge movement
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A Swiss, very heavy hunting cased precision pocket watch with Girard Perregaux patented three bridge movement for the American market, circa 1888.
18 Carat rose gold case, tiered, à goutte, polished, reeded band, gold dome, monogrammed, glazed movement.
Enamel dial, radial Arabic numerals, auxiliary seconds, signed: Jens F. Pedersen, New York, blued Breguet hands. A three bridge movement with platinum bridges, nickel-plated, signed: Patented March 25th 1884, Girard Perregaux, ground, screwed gold chatons, gold screw compensation balance, free-sprung blued Breguet balance spring, counterpoised lever.
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Diameter: 55 mm
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Weight: 208 g. 
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Signed: Girard Perregaux, Chaux de Fonds