Timepiece Link Chain BraceletMetal: 18k Gold PVD Plated on Stainless SteelChain Width: 5.4mmS/MChain Length: 7.2inch, adjustable from 6.2inch to 7.2inchWeight: 4.59gM/LChain Length: 8.4inch, adjustable from 7.4inch to 8.4inchWeight: 5.39g Tennis Round BraceletMetal: 18k Recycled Gold Vermeil on Recycled Sterling SilverGemstone: Sapphire Blue Nano-crystalChain Width: 3.9mm S/MTotal Bracelet Length: 7inchFits wrist size 6.4inch to 7inchWeight: 11g M/LTotal Bracelet Length: 7.8inchFits wrist size 7inch to 7.8inchWeight: 11.7g The Tennis Round bracelet is a fixed length and can't be adjusted. If you prefer a looser fit, we recommend sizing up. What are Nano-crystals?Nano-crystals are innovative, lab-created stones that are designed to mimic the look of natural gemstones, without the impact of mining.Product Code: SET-G-B60