Gorgeous Gemstone Ethiopian Opal Oval Shape 925 Sterling Solid Silver Ring - R3401436-1 White gold and datePower Reserve: Up to

Gorgeous Gemstone Ethiopian Opal Oval Shape 925 Sterling Solid Silver Ring R3401436 1 White gold and datePower Reserve: Up to and datePower Reserve: Up to 80 hoursHands: [Standard polished hands]Case Shape: RoundMaterial: 316L stainless steelBezel: 316L stainless steelGlass: Sapphire crystal with anti reflective coatingCase Back: [Standard case back]Dimension: 40 mm diameterWater Resistance: 50 metersCase Specificities: [Standard crown]Bracelet: Stainless steel JCAM50 Winding : Hand wound Components: 460 Power Reserve: 72 Hours Frequency: 21'600 vph (3 Hz) Functions: Hours and Minutes Two One minute Tourbillons Case Size: 54 x 40 mm Height: 11 mm Material : 18K Black Gold Crystal: Anti reflective Sapphire Crystal Caseback: Sapphire Crystal Water Resistance: 30 m (3 atm) Dial Dial: 18K Black Gold Hands: Exclusive Jacob & Co