The classic.When in doubt, start simple. Clean lines. Staple pieces. Accent your look with a touch of silver. Built to be worn all day, everyday. ✓ 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.