5,750 CHF
John Bennett - Gold Hunting Cased Spring Detent Chronometer John Bennett, "Maker to the Royal Observatory", 65 & 64 Cheapside, London, No. 16812. The case with London hallmarks for 1912-13. Very fine and rare, large and heavy, 18K gold, hunting-cased, keyless, pocket chronometer with Earnshaw’s footed spring detent escapement and free-sprung helical balance spring. Accompanied by the original John Bennett box. Four-body, "pomme et filets", polished. Hinged gold cuvette. White enamel, radial Roman numerals, outer minute track, subsidiary dial for the seconds. Blued steel spade hands. 42 mm., gilt brass half-plate, going barrel, jeweled to the third wheel, Earnshaw type footed spring detent escapement, cut bimetallic comensation balance with gold temperature and meantime adjustment screws, free-sprung blued steel helical balance spring with inner and outer terminal curves, diamond endstone. Dial, cuvette and movement signed. Diam. 53 mm.
Auctioneer:
Antiquorum
Date:
2011-05-15
