Wempe´s exclusive porthole series consists of a ship´s clock with battery-powered quartz movement, a barometer, and a comfortmeter. All cases are made of solid brass with a toggle closure to facilitate battery changing or resetting of the instrument. White dial. The following variants are available: high-gloss polished and colorlessly lacquered brass; high-gloss chrome-plated or matte nickel-plated. To round out this elegant series, we offer polished black wooden plates with inset, matte nickel-plated or high-gloss chrome-plated brass corners.