Carnelian 925 Sterling Silver Ring R3402215 100 Billionaire Tourbillon Angel Cut Minutes and Seconds Chronograph: Central Minutes and Seconds Chronograph: Central Chronograph Seconds' Hand 30 Minute Counter at 3 o'clock Power Reserve: 48 Hours Frequency: 28'800 vib h (4 Hz) Jewels: 27 Jewels System: Semi Skeleton Column Wheel Chronograph Case Diameter: 44mm Height: 14mm Material: Blue PVD Titanium Bezel: Blue PVD Titanium Inner Ring: Blue PVD Titanium Crown and Pushers: Blue PVD Titanium Caseback: Transparent Smoked Sapphire Crystal Crystal: Sapphire with Anti Reflective Treatment Water resistance: 100m (10atm) Dial Dial: Blue Crystal with Blue PVD Details Hands: Rhodium Plated Skeleton and White Chronograph Hands Strap Bracelet Strap: Honeycomb Rubber Clasp: Blue PVD Titanium Deployment Buckle Limited Edition Individually Numbered Pieces Gender Unisex Origin Switzerland along with a front pocket for easy access Measurement: Length: 9 mm X Width: 7 mm Stone: Carnelian