Mulco Unisex MW5-1622-023 Nuit Lace Chronograph Swiss Movement Watch With its mother of pearl dial and a bezel inlaid with stones, the Nuit Lace is every bit as stunning as it is functional. Swiss movement isa 9239/0006 Case diameter: 43 mm Durable mineral crystal protects watch from scratches Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving