This watch is also known as:
a4236235/g551 , a4236235-g551 , a4236235.g551 .
All Brushed finished Stainless Steel Case & Bracelet, Silver Dial with Slate Sub-Dials, Luminous Hour Markers. An aviators full mechanical device for calculating: Minute to Hour Conversion Scale, Bezel Compass Scale, Sun Compass, Rates of Ascent & Descent, Fuel Consumption, Slide Rule. Date Window Displayed between th e4 & 5 o'clock positions.
Aprox. Power Reserve of 42 hours.