It's got a domed acrylic crystal face, leather strap, and a lightweight Make that would make this enjoy snug wear during the day. Keep in mind: Acrylic crystal is just not as scratch-resistant as sapphire or mineral crystal; the leather-based band might display wear speedier than predicted. The Diver 300M https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/