Rare Swiss gold IWC pocket watch in quality R Circa 1886

Gold open faced pocket watch by International Watch Co.
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A very rare Swiss Schaffhausen gentleman’s pocket watch in quality R, circa 1886.
Polished 14-carat gold case with engraving, cartouche, and gold crown and hinge. Signed enamel dial with radial Roman numerals, outer minutes track, auxiliary seconds and Breguet hands. 2/3 plate movement, rhodium-plated, screw compensation balance, counterpoised lever, and signed: International Watch Co., Cal. Jones, Quality R.
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Diameter: 50 mm
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Weight: 95 g
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Signed: International Watch Co.