ISO 9001:2015 and AS9100D Certified
Serving the Aviation Industry since 1973
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M877 Series Digital Chronometer
Greenwich mean time
Local time
Flight time recorded in hours, minutes or tenths of hours
Elapsed time count down timer with alarm
Bright sunlight-readable, incandescent displays
Illuminated buttons and annunciators for night operations
Automatic displays dimming
Two-button control that is natural and error free, no accidental time setting
Quartz crystal precision time reference

Click on Part Number to see available options and pricing
P/N Description
M877-5V Digital Chronometer 5V Series
M877-14V Digital Chronometer 14V Series
M877-28V Digital Chronometer 28V Series
M877A-5V Digital Chronometer 5V Series Color Gray
M877A-14V Digital Chronometer 14V Series Color Gray
M877A-28V Digital Chronometer 28V Series Color Gray

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GMT 24-hr. format
Local Time 12-hr. format, 24-hr. option
Flight Time Records in 99:59 standard, 99.99 hr. option
Flight Time Alarm Full set range flight time
Elapsed Time Count Up Starts min., sec., then hrs., min. up to 99.59
Elapsed Time Count Down Setable from one second to 59 min., 59 sec.
Elapsed Time Count Alarm Activates @ 0 when counting down
Sunlight Readable Incandescent Displays
Input Voltage 28V standard, 14V to 5V backlight available
Cyrstal Reference -40°C to +60°C .001%
Automatic Dimming
Battery Type AA Alkaline
Polarizing Filter
Keep Alive .00004 AMPS
Input Current .2 AMPS
Weight 5 oz.
Warranty 1-year