Contemporary, Limited Edition, Modern...

New York, Grand Havana Room, Apr 25, 2001

LOT 33

John Bennett, "Maker to the Royal Observatory", 65 & 64 Cheapside, London, No. 155947. Case hallmarked 1874.Very fine, 18K gold, half hunting-cased, keyless, pocket chronometer with 30-hour power reserve indication, special escapement and special balance spring.

C. four-body, "demi-bassine", back cover with enameled initials "IS", polished, demi-hunting front cover with blue enamel champlevé Roman hour chapter and inner minute ring in matching enamel. D. white enamel, Roman chapters, outer minute ring, sunk auxiliary dial for the seconds, power reserve at 12 o'clock. Blued steel double "Spade" hands. M. 41 mm., gilt brass half-plate, fusée with Harrison's maintaining power and chain, 15 jewels, Earnshaw type spring detent escapement, cut, bimetallic comensation balance with gold temperature and mean screws, blued steel, helical balance spring, free-sprung, pin-set.Dial, case and movement signed.Diam. 51 mm.