This meteorological instrument is available in three finishes:gold, chrome and matt black.All models in this range have a white dial, while the clock has the option of a dial with traditional Roman numerals or Arabic numerals with radio silence periods marked.For commercial vessels, these instruments can form a compact set of the four traditional instruments:ship´s watch, radio room clock, barometer and clinometer.These instruments are supplied with a wall mounting ring for easy installation.Easy Fix System.Our clocks, chronometers and weather instruments combine traditional design and the stylishnesss of the finest nautical clocks and weather instruments.To ensure easy operation and installation, an easy fix system is supplied in our 95 & 120 range of instruments which allows access to the movements, battery replacement or adjustment without removal from the bulkhead.Features of the marine barometer.Base:120mm.Top Height:35mm.Dial:100mm.Mineral Glass.Movement Specifications.Measurement Range:960-1060 hPa.Precision:990-1030 hPa:+/- 3hPa 960-990.Approvals.ISO 9001 certified managment system