German gilded shell shaped single handed verge Circa 1640

Oval pre hairspring verge watch by Geörgen Biell
–
A rare German firegilt brass oval single handed pre hairspring pocket watch, circa 1640. Firegilt full plate movement, chain/fusee, verge escapement, baluster movement pillars, plain iron two armed pre hairspring balance, finely chased and pierced floral decorated balance cock, top lock with blued click work. Firegilt brass dial, elaborately florally engraved, applied silver chapter ring with engraved and blackened Roman numerals, central engraved blossoms, single blued steel hand. Shell shaped case, turnable ring pendant, seven piece hinge. Movement signed.
–
Dimesions: 42 x 33 mm
–
Weight: 64 g
–
Signed: Geörgen Biell Hamburg
–