It has a domed acrylic crystal deal with, leather-based strap, and a light-weight Construct that helps make this check out at ease have on throughout the day. Consider: Acrylic crystal isn't as scratch-resistant as sapphire or mineral crystal; the leather-based band could possibly exhibit don faster than envisioned. I asked https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/