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Reviewing World’s Thinnest Tourbillon (2013): Arnold & Son UTTE
Introduced at Baselworld 2013 by the revitalized Arnold & Son brand, the UTTE (initials are for “Ultra Thin Tourbillon Escapement”) quickly garnered attention when it became — without necessarily meaning to, according to Arnold & Son head of movement development Sebastian Chaulmontet — the thinnest tourbillon watch on the market. The watch’s case, available in…