Important Modern & Vintage Timepieces

Hong Kong, Oct 26, 2013

LOT 12

TAG HEUER CALIBRE 360 CONCEPT CHRONOGRAPH PROTOTYPE STEEL Tag Heuer, "Calibre 360 chronograph", No. 1/1, the world's first mechanical wristwatch with 100th of a second diablotine. Produced in 2005 for the 2005 Basel Fair. Exceptional, self-winding, water-resistant, Grade 5 Titanium (Ti5) gentleman's wristwatch with two trains, round button chronograph, 1/100th second diablotine, 100 minute power reserve and 10 minute register in apertures, and Tag Heuer stainless steel deployant clasp. Prototype first sold by Antiquorum for the benefit of the Geneva Musée de l'Horlogerie on November 13, 2005. Generously donated by Jean Christophe Babin, CEO of Tag Heuer.

Three-body, polished, glazed case back with 6 screws, inclined bezel, down-turned faceted lugs, sapphire crystals, chronograph pushers in the band the start stop pusher with red tip. Black applied steel Arabic five minute markers outer minute/fifth second divisions, applied central stainless steel panel with fausses cotes decoration, 100th of a second diablotine and apertures for the hour and minute registers. Luminous steel skeletonized hands. Cal. 360, Rhodium plated, two train, tandem winding the chronograph train with monometallic balance (Vph 360,000) and micrometer regulator, the going train, self-winding with straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance-spring, micrometer regulator. Dial, case and movement signed.