Aircraft clock CM30

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2ATI Swiss Made Chronometer The THOMMEN CM30 Electronic Chronometer is a 2ATI Swiss made precision chronometer designed to operate under the most stringend conditions in both civil and military aircraft. Main features It utilizes solid-state Liquid Crystal Display (LCD) technology to provide a continuous readout. It features a three-line display with illuminated digits on a dark background for excellent visibility during all operating conditions. It simultaneously displays the clock-and timer-functions and has several day/night mode backlight options including NVIS A and B compatibility. The time function has a dedicated internal power supply to maintain the timekeeping function even when the aircraft power is removed.