It has a domed acrylic crystal encounter, leather-based strap, and a light-weight Develop that will make this look at at ease don during the day. Take into account: Acrylic crystal is not as scratch-resistant as sapphire or mineral crystal; the leather-based band could possibly present use speedier than envisioned. Please https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/