It's a domed acrylic crystal confront, leather strap, and a light-weight Make that helps make this observe comfortable wear during the day. Bear in mind: Acrylic crystal isn't as scratch-resistant as sapphire or mineral crystal; the leather-based band could possibly exhibit don more quickly than envisioned. The nautical design and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/