14,160 CHF
“Four Day Marine Chronometer” M. Viel-Robin, Paris, No. 151. Made circa 1870. Fine and unusual, mahogany, four-day going marine chronometer with pivoted detent escapement and power reserve indication. Two-body, mahogany, vacant ivory signature plaque. Brass bowl and gimbal suspension. Silvered with radial Roman numerals, outer minute track, subsidiary seconds and Up-and- Down scale. Polished steel Breguet hands. Brass two frame with cylindrical pillars, fusee with chain and Harrison’s maintaining power, Henri Robert type pivoted detent escapement set in a smaller circular cage, two-arm compensation balance with wedge-shaped temperature weights and timing screws, free sprung blued steel helical balance spring. Dial signed. Dial diam. 115 mm. Dim. 18.5 x 19.5 x 19.5 cm. Notes Although running for four days only, this chronometer is built from an eight day going chronometer caliber. The pivoted detent escapement is very similar to that devised by Henri Robert in Paris, circa 1830.
Auctioneer:
Antiquorum
Date:
2006-10-15
