Fine Swiss silver Puritan pre hairspring verge Circa 1660-1670

Puritan pre hairspring verge watch by Etienne Chavane
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A fine and early Swiss silver Puritan pre hairspring verge watch, circa 1660-1670. Gilt finished chain fusée verge movement, finely chased, engraved and pierced floral decorated balance cock and foot, steel two armed pre hairspring balance wheel, worm set up with blued steel decorative mounts, silver regulation dial, turned baluster pillars, finely scroll decorated gilt dial plate. Silver dial with engraved and blacked Roman numerals, fleur-de-lys half hour divisions, finely engraved and blackened lakeside scene to the centre and single blued steel hand. Plain case, winding hole slide cover, split bezel with seven piece hinge. Movement signed.
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Diameter: 37 mm
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Signed: Etienne Chavane