Collector's Pocket Watches, Wristwatc...

Noga Hilton, Geneva, Apr 12, 2003

LOT 309

Robert Roskell, Maker to the Admiralty, Liverpool, No. 1532/60878, circa 1860.Fine mahogany two-day Marine Chronometer with 56-hour power reserve indicator.

C.Three-body, with brass handles, the glazed upper section with hinged lid. Brass bowl and gimbaled suspension. D. Silvered with radial Roman numerals, outer minute ring, subsidiary seconds and up-and-down scale. Gold "spade" hands. M. Gilt brass full plate with column pillars secured by screws, 11 jewels, fusee with chain and maintaining power, spring detent escapement, two-arm cut bimetallic compensation balance with cylindrical weights and two mean time adjusting nuts, free-sprung blued steehelical balance spring with terminal curves, diamond endstone.Signed on dial and box.Dim. Bowl 113 mm., box 19 x 19 x 19 cm.