WatchTime and noted watch collector and expert Jeff Kingston have teamed up again for the 2014 edition of the popular “Inside Basel.Geneva” series of collector events, kicking off September 5 in Chicago. Among the core sponsoring watch brands is the recently revamped Arnold & Son brand, which will showcase its limited-edition Arnold & Son DSTB (Dial Side True Beat) at the events.
Part of Arnold & Son’s Instrument Collection, the DTSB was created as a tribute to 250th anniversary of the brand, which traces its history back to the pioneering English watchmaker John Arnold (1736-1799). Arnold and his son were pioneers in the making of highly precise marine chronometers, essential timekeeping tools for that seafaring era that helped determine one’s longitude at sea.
The Arnold & Son DSTB, a limited edition of only 50 pieces, has its entire “true-beat” seconds mechanism — the hands, lever, wheels, and rose-gold-plated bridges — mounted entirely on the dial side of the watch’s movement. The mechanism, which indicates the seconds on a large, sapphire subdial ring in the dial’s upper left portion, pays visual tribute to early marine chronometers with its anchor-shaped lever. Elsewhere on the dial, at 4 o’clock, a white lacquered, domed subdial with blued hands indicates the hours and minutes. The overlap of this off-center hours-and-minutes subdial by the sapphire true-beat seconds ring creates a three-dimensional effect on the DSTB’s dial.
The watch’s movement, automatic Caliber A&S6003, is made in-house, as are all Arnold & Son watch movements, and palladium-treated. Made up of 229 components, including 32 jewels, it has a frequency of 28,800 vph and a power reserve of 50 hours. Its various haute horlogerie finishes include hand-chamfered and satin-finished lever and bridges, polished edges, fine circular graining and sunray côtes de Genève. The skeletonized rotor is rhodium-treated, with brushed surfaces. The dial plate is NAC gray with a large circular finish; the blued screws have bevelled and mirror-polished heads.
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