Stunning Plain Blue Chalcedony Round Shape 925 Sterling Solid Silver Ring R3400734 222 Ring Size:6.5 000 Movement Caliber: JCFM04 Winding 000 Movement Caliber: JCFM04 Winding : Hand wound Components: 658 Power Reserve: 50 Hours Frequency: 21'600 vph (3 Hz) Functions: Subsidiary Hour and Minute Rotating Dial with Differential Flying Triple axis High Speed Tourbillon 1st Axis: Rotation in 24 Seconds 2nd Axis: Rotation in 48 Seconds 3rd Axis: Rotation in 180 Seconds Music Box with The Godfather Main Theme Melody and Movement Rotation of 120° in 30 seconds Case Size: 49 mm Height: 20 mm Material: 18K White Gold and Sapphire Crystals Crystal: Anti Reflective Sapphire Crystal Caseback: 18K White Gold Water resistance: 30 m (3 atm) Dial Dial: 18K White Gold and Smoked Sapphire Hands: Rhodium Plated Hands Strap Bracelet Strap: Alligator Leather Clasp: 18K White Gold Deployant Clasp Limited Edition 6 Pieces Gender Unisex Origin Switzerland Item No: R1001973 1 set with Blue Chalcedony Item No: R3400734 222