MIL-W-87967, MILITARY SPECIFICATION: WATCH, WRIST: DIGITAL (12 DEC 1980) [NO S/S DOCUMENT]

MIL-W-87967, MILITARY SPECIFICATION: WATCH, WRIST: DIGITAL (12 DEC 1980) [NO S/S DOCUMENT]., This specification covers multi-function, battery-powered, quartz crystal, liquid crystal digital display wristwatches (including strap) employing solid state integrated circuitry.