Features: l Professional use of high quality l Help making watches to make it work well l Can be used to upgrade the watch to make it unique l Suitable for eta 6497/6498 watch sports Specification: l Shell Material: 316L Stainless Steel Plated Bronze Engraving l Case Size: 45mm Free Crown l Waterproof: 30 Meters Packing Includes: l 1 X Watch Shell