Exclusive Skeleton Bi-Compax Chronograph Self- Winding Jacob & Co JCAA05; Diameter: 30.40mm; Height: 8.40mm; Components: 260; Power Reserve: 48-Hours; Frequency: 28'800 vib/h (4 Hz); Jewels: 27; System: Column-Wheel Balance Screws; Anti-shock; Finishing: Polished Movement Bridges; Open Barrel; Column-Wheel finishes: Angled, Polished and Drawn; Anthracite Rotor with Red Lacquered Engraving "Jacob & Co Genève", Circular Grained Bridges.
47mm x 14mm Black DLC Grade 5 Titanium Case. Black Ceramic Bezel. Black Rubber Pushers and Crown. Sapphire Crystal with Anti-reflective treatment. Smoked Sapphire Crystal Open Caseback.
Black Mineral Crystal Dial. Anodized Aluminium Inner Rings. Skeleton Hands with Super-LumiNova.
Yellow Perforated Rubber Strap with Black DLC Steel Deployment Clasp.
Water Resistant to 200 Meters.