The Bo UK 1 has power for 36 hours, 11 jewels, and a 30BZ caliber. The main diferent was the handsetting lever, pulling the knob in first versions, next hand setting at 3 oclock position, and last hand setting at 5 oclock. This clock was very valuable, pilots were instructed to take it and the gunsight before leaving the plane after a crash or emergency landing.ĭuring the time it was being built, 5 models were made, changing along the time from brass bezel and knobs, to bakelite. The timer was necessary for approachs with no visibility. If you click the button again both hands stops, finally the next push resets both hands to zero.
By preesing on the button situated on the bottom part the chroni stars, the second hand would start moving and the minutes counter (hand at 6 o’clock) starts at the same time.
flight time (by selecting with the arrow in the rotating bezel, the minute hand during the take off),.If the leader is missing, identify who made the movement. Again, the order of the parts is the suspension spring, the leader, then the pendulum. All or some of these parts are what you need to order to replace lost pendulum parts. It provided all the necessary about time in an airplane, The suspension spring is at the top of the movement. The Bo-Uk-1 FL23885 Blindfluguhr (blind-flight or instrumental flight), made by Junghans, was designed for flights without visibility.
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