Davtron M880A Digital Chronometer

Technical Description
3-ATI digital aviation clock/chronometer providing UTC/GMT, local time and elapsed-time functions. Depending on version, it can include flight-time and countdown functions and NVG-compatible illumination. Connector pinout, lighting voltage and installed modification should be verified before replacement.

Verification Status
High – model and function documented.

Source
https://www.dallasavionics.com/cgi-bin/products.cgi?category=instruments&man=davtron&master=avionics&url=m880a.html

Identification Note
The photograph is provided for reference. Procurement identification must be based on data plate markings, P/N, S/N, approved configuration and airworthiness documentation, not visual appearance alone.