2018 marks 240 years since the creation of John Arnold's historically significant Chronometer No. 1/36, the first time-measuring instrument to be called a "chronometer" for its unprecedented precision. To mark the historical milestone, Arnold & Son is proud to introduce a modern homage edition of the Tourbillon Chronometer No.36, a COSC-certified Tourbillon wristwatch.
Stainless Steel Version, limited edition of 28 pieces. Movement:
Manufacture Arnold & Son calibre, hand-wound, 33 jewels, diameter 37.8?mm, thickness 5.9 mm, power reserve 90 h, double barrel, 4 Hz / 28,800, COSC certified
Movement decoration: NAC treated bridges and black DLC treated main plate withHaute Horlogeriefinishing: sand blasted bridges with chamfered and polished edges, 18k gold chatons, screws with bevelled and mirror-polished heads
