Minimal effort. Maximum impact. The Connell is light, understated and pairs perfectly with all other pieces. ✓ 18K Gold & 316L Stainless Steel✓ Water, Heat, Sweat Resistant✓ Anti-Tarnish✓ Hypoallergenic (No Green Skin)✓ Lifetime WarrantyModel is 5.11″ and wears 19cm.Note: 19cm is the most popular size and has been designed to fit most wrists.