This brass model has been electroplated with a strong outer protective Zinc/Brass Coating. Guaranteed non-tarnishing or discoloring with the Zinc electroplating process for marine use. Three mounting holes makes it easy to install. This a an actual working porthole that make setting the time a ease. The movement is a quartz with a lifetime warranty and works off one AA battery. This will enhance any Helm, Galley or Boat, Sailboat or Yacht. This makes a excellent Nauticla gift.

Matching Marine Barometer On Sale: http://www.mooreclocks.com/five-inch-boat-use-brass-porthole-barometer/

 

Diameter: 5 Inches
Height: 2 Inches
Weight 2 Pounds
Warranty: Lifetime on Movement