It's got a domed acrylic crystal face, leather-based strap, and a light-weight Establish that can make this check out snug put on during the day. Consider: Acrylic crystal isn't as scratch-resistant as sapphire or mineral crystal; the leather-based band may possibly demonstrate don a lot quicker than predicted. William’s charting, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/