Swiss minute repeating watch in rare platinum case Circa 1925

Thin hunting cased pocket watch by Paul Ditisheim
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An elegant and thin Swiss hunting cased minute repeating pocket watch in an extremely rare platinum case, circa 1925.
Platinum case with platinum dome, case maker’s punch mark “PD” and slide for repeating mechanism. Silvered dial with Arabic numerals, auxiliary seconds and blued Breguet hands. Bridge movement, rhodium-plated, ground, 2 hammers, 2 gongs, gold screw compensation balance.
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Diameter: 46 mm
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Weight: 81 g
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Signed: Paul Ditisheim