Gruen DayNight, Green & Black Markers
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Gruen DayNight, Green & Black Markers
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Gruen DayNight with unique, patented, hour markers that change from green to black at 06:00 hours (and back again at 18:00). Less often seen original luminescent baton hands. ø 34 mm by 11.25mm D. Inner secondary protection dust cover protecting calibre N510CA from 1960.