A HIGHLY UNUSUAL AND EXTREMELY RARE SILVER PAIR CASED PRE-BALANCE SPRING VERGE WATCH CIRCA 1670, ca. 1670

• gilt full plate movement, verge escapement, elongated floral engraved balance cock and foot, worm and wheel set-up, fusee and chain, unusual decorative pierced pillars • silver dial with asymmetrically placed hour numerals, matte gilt centre with s