English silver verge watch with day and night indication Circa 1680

Silver open faced verge watch
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A rare English single handed London verge pocket watch with retrograde hour dial and day/night display, circa 1680. Signed full plate movement with verge escapement, key wind, fusee and chain with worm and wheel barrel setup between the plates, florally engraved and pierced, three-arm brass balance, balance cock with steel coqueret.
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The silver champlevé dial has retrograde Roman hours and surrounding Arabic hours. minutes. In the upper half of the center is a semicircular opening for displaying the phases of the sun and moon on a blued steel disk that rotates once every 24 hours, when the sun disappears on the right side of the display, the moon appears on the left side, the blued steel disc is engraved with moon, stars and sun, brass hand. The lower half of the center shows a relief scene. Diana, the goddess of the moon, is depicted in a chariot. Chronos rushes ahead of her with his scythe and hourglass. Silver inner case with shuttered winding aperture and case makers mark WF.
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Diameter: 46 mm
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Weight: 98 g
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Signed: Jacobus Markwick London
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Jacobus Markwick (Jacobus is Latin for James) was an important watchmaker of the 17th century. He was apprenticed to Edward Gilpin as a clockmaker in 1656 and became a member of the Clockmakers’ Company in 1666. In 1673 he succeeded Samuel Betts as steward of the company. In 1677 he was fined for insulting the master at the Steward’s Feast. Nevertheless, he obviously enjoyed a certain amount of respect. He manufactured small and large clocks in London until 1698. Examples of his work can be found in the Victoria & Albert Museum, the Wetherfield Collection and the National Museum in Stockholm.
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Later pendant and hand, outer case missing.
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Reference 020000