This Plastimo ship's clock with radio silence zones is designed in the trusted porthole style, combining classic maritime logic with practical daily use. The housing is made of solid brass and is available in two finishes: warm brass or matte chrome-plated brass. Both versions share the same solid dimensions with a 120 mm housing, an 88 mm dial, and a depth of approximately 50 mm, keeping the clock compact yet clearly visible on a wall, bulkhead, or dashboard. Displays time in a 24-hour format with large numerals from 0 to 12 and smaller Arabic numerals from 13 to 24. The dial features traditional red and green radio silence zones, a classic maritime detail that refers to historical emergency and safety communications at sea.

What makes this model special are the four silent zones on the dial. These refer to traditional periods of radio silence, intended to ensure emergency calls are more audible. This gives the clock not only a functional nautical detail, but also more character than a standard quartz ship's clock. The front is fitted with beveled glass and can be opened from the front. This makes maintenance, battery replacement, and time adjustment noticeably easier, especially when mounted in a fixed position on board or in interior projects with a maritime signature.