Size L: Wrist Circumference: Approx. 7.1 - 7.5 inches (18 - 19 cm), Logo Engraving Onyx 0.5 inches (12 mm), Onyx 0.4 inches (10 mm), Color Agate, 0.5 inches (12 mm), Cut Glass 0.4 inches (10 mm), Rondell 0.3 inches (8 mm) *Due to the characteristics of natural stones, there may be slight