Important Wristwatches, Watches & Clocks
Geneva, Hotel Des Bergues, Oct 17, 1992
Winnerl, France, No. 259, circa 1840.
Fine small 49 hour going, marine chronometer, with rate certificate issued by L. Leroy & Cie. in July 1907. Two part solid mahogany box with sliding observation lid and external brass handles, brass bowl and circular gimballed suspension. Silverd dial with Roman numerals, subsidiary seconds and Up-and-Down scale. Brass spotted finished full plate movement relieved for the barrel, with cylindrical pillars secured by screws, fusee with maintaining power, Earnshaw type spring detent escapement, two armed bimetallic compensation balance with cylindrical weights and timing screws. Free sprung blued steel helical balance spring with terminal curves. Dial diam. 75 mm. Dim. 14x14x14 cm.