1978 Armitron Solar Quartz
Two button control. The top one controls the day, date, time setting. The lower button, illuminates the LCD screen with a small light. The back of the watch is inscribed, "Stainless Steel Back Mod. Dep. Nisen Plated Bezel Swiss Case Armitron Corp. 40-6029 73297". Date is estimated by the design.
Armitron is a line of watches produced by the E. Glick Corpoation. Mr. Eugene Glick founded the company in 1955. It is located in Long Island City, New York, USA.