ATT. to JOSEPH THADDEUX WINNERL. A RARE MID 19th CENTURY FRE...

Hammer

£5,400

ATT. to JOSEPH THADDEUX WINNERL. A RARE MID 19th CENTURY FRENCH TWO-DAY MARINE CHRONOMETER SIGNED CALLIER No. 760. The mahogany outer carrying case having later brass retailers badge to the lid opening to reveal a green leather cushioned interior, the inner two-tier box with brass side handles and ivory name plaque, the hinged lid opening to reveal a 2¾-inch silvered dial with subsidiary seconds dial and state-of-wind indicator, blued steel Breguet hands, signed Callier No.760, fronting a fusee movement with maintaining power, Earnshaw spring detent escapement with unusual Hartnup-type bi-metallic balance, blued helical spring enclosed in a gimballed brass bowl, inner case measures 15cm square