Swiss niëllo-silver minute repeating pocket watch Circa 1910

Silver minute repeating watch by Fabrique Angélus, Stolz Frères
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A Swiss keyless-winding minute repeating lever pendant watch, circa 1910.
Silver round-shaped case, cover and case back decorated with niëllo pattern. Lever escapement and one horological complication: – Minute-repeater on two steel gongs (activated by the rectangular push-piece located on the case band at 6 o’clock). Enamel dial with black Arabic numerals (1-12), red outer numerals (13-24), outer minutes track, subsidiary seconds at six, and original pear hands. Cuvette (dome) signed and movement (patent number). Accompanied by a contemporary silver niëllo chain with gold motifs (Length 250 mm. approx.), and copies of invention patents.
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Diameter: 52 mm
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Signed: Angelus, Le Locle
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Movement based on the Swiss invention patent No. 12 172, delivered on April 15, 1896, to Stolz Frères, Le Locle, for a Régulateur silencieux, pour sonnerie de montres à répétition.