Caliber: Omega 1424 Quartz precision movement with rhodium-plated finish Power reserve: 20 months CRYSTAL Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside CASE & DIAL Case: Steel Diameter: 28 mm Dial: Black WATER RESISTANCE 300 m (1000 feet) FEATURES Date Screw-in crown Unidirectional rotating bezel All the watches from Rivoli Jewellers come complete with manufacturers packaging, warranties and instructions.