Swiss astronomical minute repeating chronograph Circa 1920

Hunting cased repeating pocket watch with split seconds and moon phase
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A heavy and as new astronomical gold hunting cased minute repeating pocket watch, split seconds chronograph with 30 min. Counter, perpetual calender and moon phase with lange extract from the archives, circa 1920. 18k  gold case,  polished, gold dome, tiered case, case design “louis xv a goutte”, glazed movement, slide for repeating mechanism, 2 pushers for split seconds chronograph, large 5-part lateral hinge. Dial is enamel, seven-piece,  arabic “empire” numerals, red minutes, outer five divisions, sunk auxiliary seconds, sunk centre, inlaid scale for day-, date-, month and leap year-indication, gold louis xv hands. 3/4 plate movement, gold-chatoned,  rhodium-plated, “fausses cotes” decoration, mirror polished and bevelled scissor- shaped double hand tongs with separate ratched wheel for double chronograph, mirror polished screws, index spring fine adjusting device, gold screw compensation balance,  balance cock lavishly engraved with stylized foliage, gold lever and gold escape wheel, chatoned diamond endstone on balance.
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Diameter: 61 mm
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Weight: 216 g
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Signed: A. Lange & Sohne Glashuette