"CA"  France, Movement A Very rare French table clock with arcane time display , Tortoise as a hand. Case: wood, octagonal base on six gilded bun feet with outwardly dished walls to imitate a sculpted stone base, Vernis Martin, partly framed in gold; very finely painted with "en grisaille" scenes of working putti representing the four seasons, alternating with painted musical instruments and flower bouquets. On the top finely painted rose decor.

Dial: applied silvered pewter dish with engraved and inlaid radial Romain numerals, three - dimensional turtle indicating the time.

Movement: square solid brass movement, 1barrel for going train, key wind, solid movement pillars, platform with club tooth lever escapement, screw compensation balance, applied large five- arm hour wheel with screwed on circular magnet disc. 

"Mysterious clock" - no one could understand how the clock worked.