Features traditional ship's 8-bell cycle with 4" dial and silencer switch. Dial 4".
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Nearly equal the optical performances of the bigger binoculars.
Early versions of these old clocks can be seen at Maritime Museums such as Mystic Seaport in Connecticuit. Dial 2-3/8".
Combination quartz and tide clock movement which averages the Atlantic lunar tide cycle. Dial 4".
This quartz clock and tide clock movement averages the lunar tide cycle. Dial 4".