English silver and pique pair cased verge watch Circa 1680

An English silver and pique pair cased verge pocket watch, circa 1680. Gilt full plate movement, pierced and engraved balance cock, worm and wheel set-up. Silver champlevé dial, Roman numerals and inner track for quarter hour divisions. Plain inner case, outer leather case elaborately decorated with pique work in a floral design. Movement signed ‘Patrick Vans, London’.