Chronoswiss Open Gear Flying Tourbillon Underworld CH-3123-BKPU

439.97
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          Description

          Experience precision engineering with the exclusive caliber C.303. The timepiece boasts a robust 60 hours of power reserve, ensuring a seamless passage through time. Water-resistant up to 10 bar, it's crafted to weather the depths of adventure. At the heart lies the gravity-defying flying tourbillon, a spectacle of horological ingenuity that stands as a beacon of craftsmanship.

          Chronoswiss

          Case

          Material
          Stainless steel

          Number of parts
          17

          Case back
          Screw-down case back with satin finish and sapphire crystal

          Diameter
          44 mm

          Height
          13.35 mm

          Band width
          22 mm

          Finish
          Partly polished, partly with vertical satin finish, onion crown

          Bezel
          Polished screw-down bezel with full thread and side knurling with curved, double coated anti-reflective sapphire crystal

           

          Movement

          Movement
          Chronoswiss manufacture caliber C.303, flying tourbillon, semi-skeletonized, hand-wound

          Frequency
          4 Hz ( 28800 A/h )

          Power reserve
          Approx. 60 hours

          Number of jewels
          23

          Finish
          Exclusive movement with purple CVD coating, main plate with Côtes de Genève, skeletonized bridges with circular satin finish, skeletonized spring barrel, polished screws

           

          Dial

          Dial material
          Elaborate 42-part construction on several levels: bottom level with Côtes de Genève, middle level hand-guilloched and hand-engraved (“Atelier Lucerne” on reverse of dial), upper level featuring screwed-on skeletonized train wheel bridges and funnel-like construction for hour display; bar or cylinder shaped Super-LumiNova indexes

          Displays
          Off-center hours at 12:00, central minutes, flying tourbillon at 6:00

          Design of hands
          Rhodium-plated with Super-LumiNova inlay; minute hand bent by hand

          Shape of hands
          “Trigono”

           

          Strap & buckle

          Strap material
          Alligator leather, hand-sewn

          Type of buckle
          Folding clasp

           

          Characteristics

          Water resistance
          10 bar( 100m )

          Special features
          Limited to 15 timepieces only; hand-guilloched dial. Technically sophisticated dial design featuring a flying tourbillon and an "open gear" mechanism.