Open Gear Blue Spark

Delivery Time 14 to 21 days (Payment in advance)

Technical Data
Model Open Gear Blue Spark Limited edition (50)
Reference CH-8756.1-BKBL Stainless steel blue CVD-coated case, hand-guilloched
Displays Off-centre hours at 12:00, central minutes, small seconds at 6:00
Case Solid stainless steel case with Electric Blue CVD-coating, satin finish and
polished bezel with partial knurling and curved, double coated antireflective sapphire crystal; screw-down case back with satin finish and
sapphire crystal; onion crown; water resistance up to 10 bar; strap
holders screwed down with patented Autobloc system
Measurements Ø 41 mm, height 13.85 mm
Movement Chronoswiss caliber C. 299, automatic, with stop seconds
Diameter Ø 35.20 mm, impulse-angle 51°
Jewels 31
Balance Glucydur, three-legged
Balance spring Nivarox 1
Fine Adjustment Via Excenter
Shock protection Incabloc
Frequency 4 Hz., 28‘800 A/h (semi-oscillations)
Power reserve Approx. 42 hours
Special features Skeletonized rotor, Electric Blue Côtes de Genève and ball bearing;
polished pallet lever, escape wheel and screws; bridges and plates
with perlage
Dial 3-dimensional construction on two levels; lower level hand guilloché in
black (CVD coating), upper level with skeletonized gear train bridges
and funnel-shaped hour and seconds indicators
Hands “Trigono” shape, Rhodium plated with Super-LumiNova inlays and tips
Feuille shape; curved, rhodium-plated and diamond cut
Strap Textile (Cordura)