Swiss 18 carat gold keyless watch, retailed by Breguet Circa 1900

Gold open faced lever pocket watch 
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A fine and rare Swiss, 18 carat yellow gold, keyless pocket watch, circa 1900. Retailed by Breguet. Gilt finish Swiss lever movement, cut and compensated bimetallic balance, wolf’s tooth winding.
White enamel dial with black Roman numerals, black outer minute track with red Arabic numeral 5-minute markers, subsidiary seconds at 6, blued steel spade hands.
Polished hinged case, monogram to back Dial & cuvette signed, cuvette numbered.
Diameter: 46 mm
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Signed: Breguet