A super rare piece of art. An iconic watch from 197 – Display medium Nematic Liquid Crystal, FEM (Field Effect Mode) – Display system • Time and calendar function • Timer function • Alarm time setting function • Stopwatch function • Time/calendar setting function – Additional mechanism • Alarm test system • Time signal • luminating light • Battery life indicator • Pattern segment checking system (also transmits the signal for measuring the daily rate.) – Loss/gain Loss/gain at normal temperature range Mean monthly rate: less than 10 seconds (Annual rate: less than 2 minutes) – Casing diameter ф30.2 mm Height: 4.8 mm (5,0 mm with battery) – Liquid crystal driving system Multiplex driving system – Regulation system Trimmer condenser – Measuring gate by Quartz Tester Any gate is available. – Battery power V.C.C. 391 or Maxell SR1120W Battery life is approximately 2 years. Voltage: 1,55V