64,400 CHF
Anonymous, Swiss, circa 1880. Rare 18ct gold hunting-case keyless watch with independent fly-back chronograph, re-uniting split-seconds hand and 1/4 seconds diablotine. Engine-turned with monogram, Louis bow. White enamel, Roman hour chapters, 1/4 seconds ring. Blued-steel Breguet hands. Nickel-plated, two-train with differential winding, 31 jewels, straight-line lever escapement, cut bimetallic balance breguet balance spring. In good condition. Diam. 58 mm. Notes Note: The chronograph work on this watch is of a most unusual form. The operating buttons are in the bezel and the action comprises a start/split/re-unite and fly-back mechanism using the independent centre-seconds train.
Auctioneer:
Antiquorum
Date:
1991-05-26
