1974 Aviation instrument clock. 124cs new from storageClick here to purchase or contact the seller of this item on eBay |
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| Current Price: 211.50 USD |
1974 Aviation instrument clock. 124cs new from storage.
New, never used. In perfect order.Mechanical.
Specifications
Technical watch 124 ChS
This device can also be called: 124-ChS, 124ChS, 124chs, 124 chs, 124-chs.
124 ChS technical watches are designed to display the current time in hours, minutes and seconds and measure short periods of time in minutes and seconds.
Technical characteristics of 124 ChS:
The daily clock rate is ±40 s.
The period of balance oscillations is 0.4 s.
The duration of operation after the spring is fully wound is at least 3 days.
Resistance 124 ChS - 50 Ohm.
The electric heater is powered from a DC mains voltage of 27 V.
Probability of failure-free operation for 2000 hours with a confidence probability of 0.8 - 0.92.
The frequency of winding the watch is once a day.
Number of ruby stones 124 ChS - 20.
The caliber of the mechanism is 76 mm.
Overall dimensions - 85×91.4×91.4 mm.
Weight - no more than 0.65 g.
The clock is controlled using two heads (buttons):
- the crown (red) is used to wind the watch and move the hands;
- a trigger head (with an arrow pointer on it) for starting and stopping the watch, turning the stopwatch mechanism on and off.
The 124 ChS watch is wound by rotating the crown counterclockwise until it stops. The head does not rotate in reverse. The clock is started and stopped using a special device (brake) by turning the “Start” head.
Clock movement 124 ChS anchor, pallet.
Screwless balance.
The clock motor is spring-loaded, double-drum.
The watch case is made of aluminum alloy.
Stopwatch mechanism with thermostatic heater.
Operating conditions 124 ChS:
Ambient temperature - from -60° C to +60° C.
Relative humidity at +20° C - up to 95%.
Vibration strength 124 ChS:
- acceleration - 15 m/s2;
- frequency range - from 18 Hz to 80 Hz.
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Click here to purchase or contact the seller of this item on eBay