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A fine and rare late 20th century diamond-set, rock crystal, mother of pearl and nephrite mystery clock Imhof, the quartz movement numbered 99400268. The rear Opera No 3/5 image 1
A fine and rare late 20th century diamond-set, rock crystal, mother of pearl and nephrite mystery clock Imhof, the quartz movement numbered 99400268. The rear Opera No 3/5 image 2
A fine and rare late 20th century diamond-set, rock crystal, mother of pearl and nephrite mystery clock Imhof, the quartz movement numbered 99400268. The rear Opera No 3/5 image 3
Lot 58

A fine and rare late 20th century diamond-set, rock crystal, mother of pearl and nephrite mystery clock
Imhof, the quartz movement numbered 99400268. The rear Opera No 3/5

2 December 2025, 14:00 GMT
London, New Bond Street

£10,000 - £15,000

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A fine and rare late 20th century diamond-set, rock crystal, mother of pearl and nephrite mystery clock

Imhof, the quartz movement numbered 99400268. The rear Opera No 3/5
The upright rectangular case topped with a mother of pearl cap on a nephrite moulding, the fluted sides interrupted via a horizontal ring of mother of pearl terminating in a shaped rectangular nephrite plinth on shaped block feet. The two inch dial set within a large facetted and tapering smoky quartz. The time shown via a pair of diamond-set hands, apparently floating within the stone and reading against 12 diamonds set into the mother of pearl and nephrite chapter ring. The hands set via an integral setting key mounted in the base below, with quartz movement.

17cms (6.75 ins) high.

Additional information