12 Hours Nautical Quartz Clock Brass Open Type Case Dia. 81mm

12 Hours Nautical Quartz Clock Brass Open Type Case Dia. 81mm. Brass Open Type Case: Cases made of brass and high quality alloy, polished by hand with ultra-hard corrosion resistance plating. Maintenance-Free Finish: The finish is maintenance-free and will never tarnish for a long time, even in marine environments. Multiple Dial Styles: 4 styles of dial optional including Arabic, Roman, signal flag, and GMT reading options. Long Battery Life: Battery life is approximately one year using UM-3 batteries with low current consumption. High Accuracy Movement: Quartz radio movement with time keeping accuracy of +/- 30sec /Month at 1.5V DC. Customizable Dial Size: Dial size can be customized to 150mm as per specific requirements. Variety of Case Models: 7 kinds of case models available including GL120, GL122, GL150, GL152, GL180, GL195, GL198. Professional Manufacturer: Manufacturing and trading combo with over 15 years of full experience and professional team.