OPEN GEAR FLYING TOURBILLON

Available:
In stock

SKU: CH-3123-BKBL

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: 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 blue CVD coating, main plate with Côtes de Genève, skeletonized bridges with circular satin finish, balance wheel galvanic anthracite, skeletonized spring barrel, polished screws
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
Strap material:Textile (Cordura) / optional: alligator leather (hand sewn)
Type of buckle: Folding clasp

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