It's a domed acrylic crystal deal with, leather-based strap, and a lightweight Develop that will make this check out relaxed dress in throughout the day. Bear in mind: Acrylic crystal is just not as scratch-resistant as sapphire or mineral crystal; the leather band could show wear quicker than envisioned. Please https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/