Swiss gold pocket watch of Royal provenance Circa 1900

Rare pocket watch with eight-day power reserve
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A rare and as new gentleman’s pocket watch with eight-day power reserve, of Royal provenance, circa 1900.
18 Carat rose gold, engine-turned case with engraved monogram and crown. Enamel dial with radial Roman hours, auxiliary seconds, and spade hands. Frosted, gilt full plate movement with screw compensation balance and applied oversize barrel with power reserve indicator.
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Diameter: 51 mm
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Weight: 117 g
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Signed: No name