English silver verge with day and night indication Circa 1693

Open faced pocket watch by John Stanford Clarke
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A very early, one hand English verge watch with retrograde hour and day and night indication, circa 1693. English verge movement, bridge with sun and birds and main plate signed. Silver champlevé dial with rotating day and night indication, retrograde hours indication (Roman hours for the day, symbols for the night hours) with moon and sun symbols, Arabic minutes, decorative copper hand. Silver outer case covered with leather, pin decoration, smooth silver inner case, London hallmarks for 1693, casemaker’s punch R.S., serial No. 36. Comes with, probably, original silver key.
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Diameter: 57 mm
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Weight: 153 g
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Signed: Stanford Clarke London
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It is extremely rare to find these early English “Day & Night” verge watches in this fantastic condition. John Stanford Clarke completed his education till 1686 and was a member of the Clockmakers Company from 1696 to 1725. Around 1700, he probably entered into a partnership with Fromanteel. Comparable watches are noted with this name.