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Arnold and Son - Instrument DTE

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Arnold & Son recently presented the Instrument DTE, a 28-piece limited edition timepiece featuring two separate time zone displays, each with its own gear train and tourbillon escapement.


The new watch was inspired by the timepieces produced during the second part of John Arnold’s life and in particular by a silver cased chronometer with tourbillon and spring-detent escapement that the British watchmaker developed in collaboration with Abraham-Louis Breguet at the end of the 18th century and that can be found today in London’s British Museum.

John Arnold’s No. 11 movement - British Museum

The dial of the Instrument DTE is eye-catching with its perfect symmetry. It features two silvery opaline dials with blued hands – at 12 o’clock with Roman numerals and at 6 o’clock with Arabic numerals – and two tourbillon escapements with white gold bridges at 3 o’clock and 9 o’clock.


The plate dial in background is treated in NAC grey and decorated with vertical Côtes de Genève stripes. The two crowns at 2 o’clock and 8 o’clock sets the local and the home time respectively.  The two mainsprings are wound using the same crown at 2 o’clock.


The 43.5 mm white gold case houses the mechanical hand-wound calibre A&S8513 which beats at 21,600 vph and offers the possibility to set hours and minutes of a second time zone separately, thus enabling the wearer to have precise time in zones that differ from Greenwich Mean Time by quarter or half-hour increments.  The double barrels of the watch offer 90 hours of power reserve. The movement is visible through the sapphire crystal back case.

The price of the Arnold & Son Instrument DTE (Ref. 1DTAW.S01A.C121W) is Swiss Francs 192,600. arnoldandson.com


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