It has a domed acrylic crystal deal with, leather strap, and a light-weight Make that helps make this enjoy snug wear each day. Bear in mind: Acrylic crystal isn't as scratch-resistant as sapphire or mineral crystal; the leather-based band could possibly present have on quicker than envisioned. I requested at https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/