It's a domed acrylic crystal experience, leather-based strap, and a lightweight Create that will make this observe comfortable put on during the day. Keep in mind: Acrylic crystal just isn't as scratch-resistant as sapphire or mineral crystal; the leather band might present dress in speedier than expected. The Diver 300M https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/