It's got a domed acrylic crystal confront, leather strap, and a lightweight Develop that helps make this watch relaxed use throughout the day. Take into account: Acrylic crystal just isn't as scratch-resistant as sapphire or mineral crystal; the leather band could possibly show put on quicker than envisioned. William’s charting, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/