Each model is water resistant up to 100 meters, and has either a 22 mm or 18 mm strap in leather, mesh, or stainless steel, depending on your style preference. (digitaltrends.com)
The choice of 22 mm straps includes stainless steel mesh, stainless steel links, rose gold, and black - plated stainless steel links, and brown and black leather. (consumer.huawei.com)
These are the standard 18 mm straps by the way, just in case you're wondering. (androidheadlines.com)