Product code: WALTHAM USAF A-13A AIRCRAFT CLOCK 20 deals JEWEL PRECISION WORKING US AIR FORCE
This clock tested with second hand working deals .With one-hour elapsed time feature & sweep hand. The start, stop & flyback of second & minute hands does not disturb time of day.The lever for adjusting rate is accessible without removing the clock movement from its case.Clocks contain an unbreakable anti-magnetic temperature compensated hairspring to ensure accuracy.Mechanical clocks are stand-alone, time keeping instruments which are not affected by environmental extremes or system failure.To wind clock, rotate winding knob in a clockwise direction until a stop is reached.Clocks are furnished with standard 2" aircraft instrument case.Weight: 9 oz maximum . Dial Diameter: 1 7/8" flat black Waltham precision aircraft clock, 20 jewel, mechanical, model A-13A, with white numbers & hands, 2" dial, 2 & 3/8" across body, 1 & 1/2" deep,Mechanical clocks are stand-alone, time keeping instruments which are not affected by environmental extremes or system failure.
This clock tested with second hand working deals .With one-hour elapsed time feature & sweep hand. The start, stop & flyback of second & minute hands does not disturb time of day.The lever for adjusting rate is accessible without removing the clock movement from its case.Clocks contain an unbreakable anti-magnetic temperature compensated hairspring to ensure accuracy.Mechanical clocks are stand-alone, time keeping instruments which are not affected by environmental extremes or system failure.To wind clock, rotate winding knob in a clockwise direction until a stop is reached.Clocks are furnished with standard 2" aircraft instrument case.Weight: 9 oz maximum . Dial Diameter: 1 7/8" flat black Waltham precision aircraft clock, 20 jewel, mechanical, model A-13A, with white numbers & hands, 2" dial, 2 & 3/8" across body, 1 & 1/2" deep,Mechanical clocks are stand-alone, time keeping instruments which are not affected by environmental extremes or system failure.