English silver, horn pair cased verge with calendar Circa 1710

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An English silver and horn pair cased verge pocket watch with calendar, circa 1710. Deep full plate fire gilt movement with decorative pierced and engraved pillars, fusee and chain with worm and wheel barrel setup between the plates, pierced and engraved bridge cock, pierced and engraved plate for the silver regulator disc, plain three armed brass balance. Signed silver champlevé dial with engraved brass edge, arcaded minute ring, small square aperture for the date indication in the central pierced and engraved silver mask over a blue steel ground, Roman and Arabic numerals, fine gilt hands. Plain inner case with large central rotating shutter for the winding aperture, silver bezels to the outer case, covered in horn and decorated with an elaborate geometric pattern of silver pique pins.
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Diameter: 54 mm
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Depth: 18 mm
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Signed: Rensman London
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Probably Gerrit Rensman, Zwolle, early 18th Century. Perhaps signed London as English work was more highly regarded.