It's a domed acrylic crystal experience, leather strap, and a light-weight Develop that tends to make this watch relaxed don throughout the day. Consider: Acrylic crystal isn't as scratch-resistant as sapphire or mineral crystal; the leather-based band may possibly exhibit use a lot quicker than expected. A paragon of robustness https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/