It's a domed acrylic crystal facial area, leather-based strap, and a lightweight Establish that helps make this watch comfy don throughout the day. Keep in mind: Acrylic crystal will not be as scratch-resistant as sapphire or mineral crystal; the leather-based band may possibly exhibit use more quickly than predicted. #Watches https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/