Swiss gold repeater with calendar and moon phase Circa 1900

Gold astronomical hunting cased pocket watch by Sandoz
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A Swiss heavy hunting cased minute repeating pocket watch with calendar and moon phase, circa 1900.
18 carat rose gold à goutte case with engraved monogram, engine turned gold dome with engraving and slide for repetition at “6”. White enamel dial with radial Roman hours, auxiliary seconds, radial Arabic minutes, day and month indicator, date indicator, aperture for moon phase and spade hands. Bridge movement, rhodium-plated, stripe-decorated, chatoned, with 2 hammers, 2 gongs, wolfteeth winding wheels and gold screw compensation balance.
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Diameter: 57 mm
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Weight: 146 g
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Signed: Sandoz à la Chaux-de-Fonds, Swiss