It's got a domed acrylic crystal confront, leather strap, and a light-weight Establish that tends to make this observe snug dress in during the day. Remember: Acrylic crystal is not really as scratch-resistant as sapphire or mineral crystal; the leather-based band may well display don a lot quicker than envisioned. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/