It's a domed acrylic crystal deal with, leather-based strap, and a light-weight Develop that helps make this observe relaxed wear each day. Have in mind: Acrylic crystal will not be as scratch-resistant as sapphire or mineral crystal; the leather band may possibly present have on quicker than anticipated. Delivery orders https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/